Search results for "Temperature Sensor"

1. Tempered glass panel screen with responsive touch, high-definition display, and durable design2. Capacitive 10-point touchscreen featuring sensitive touch, intuitive operation, and rapid response for efficient and convenient development3. Supports landscape and portrait display modes. Default setting is landscape; portrait mode can be enabled via software configuration4. Excellent heat dissipation with all-metal housing and efficient thermal design. Pre-drilled mounting holes on the back facilitate integration and embedding.5. Highly integrated with powerful performance, featuring an ESP32-P4-Core module design. Includes built-in ESP32-P4 and 32MB NOR Flash.6. Onboard ESP32-C6-MINI module extends ESP32-P4 with 2.4GHz Wi-Fi 6 and Bluetooth 5 (LE), communicating via SDIO protocol for stable connections and efficient data transfer7. Onboard ES8311 audio codec and ES7210 echo cancellation circuit, paired with dual microphones and speaker to meet daily audio application needs8. Supports AI voice interaction with mainstream AI platforms, enabling integration with online large model platforms, such as Doubao, DeepSeek, and other AI modelsScreen specifications1. Resolution: 7 inch: 120 x 1280; 8 inch/10.1 inch: 800 x 12802. Communication interface: MIPI 2-lane3. Brightness: 7 inch: 450 cd/square meter; 8 inch/10.1 inch: 400 cd/square meter4. Driver chip: 7 inch: ILI9881C; 8 inch/10.1 inch: JD93655. Touch chip: GT92716. Display size: 7 inch: 8.8 x 15.5cm; 8 inch: 10.824 x 172.82cm; 10.1 inch: 13.596 x 21.718 cm7. Contrast ratio: 7 inch: 800:1; 8 inch: 1200:1; 10.1 inch: 800:18. Viewing angle: 7 inch: 170°; 8 inch/10.1 inch: 178°9. Operating temperature: 0-60°C10. Pixel size: 7 inch: 0.12075 x 0.12075mm; 8 inch: 0.13455 x 0.13455mm; 10.1 inch: 0.1692 x 0.1692mmFront camera specifications1. Image sensor: OV56472. CMOS size: 1/4 inch3. Pixels: 5 megapixels4. Aperture: F2.45. Focal length: 3.89mm6. Diagonal field of view: 72.9°7. Distortion: less than 1.5%8. Depth of field: 20cm to infinity9. Image: static image resolution 2592 x 1944 pixels10. Video: 1920 x 1080p at 30fps, 1280 x 720p at 60fps, 640 x 480p at 60fps, 640 x 480p at 90fpsPackaging list:- Host x 1- RPI-HMI press plate x 4- Screw pack x 1- 2PIN battery terminal about 80mm x 1Specification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 24cm * 16cm * 5cm / 9.45inch * 6.3inch * 1.97inch Qty per Carton 28 Carton Weight 14.00kgs / 30.86lb Carton Size 50cm * 37cm * 34cm / 19.69inch * 14.57inch * 13.39inch Loading Container 20GP: 423 cartons * 28 pcs = 11844 pcs40HQ: 984 cartons * 28 pcs = 27552 pcs

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1. Fingerprint sensor: semiconductor fingerprint sensor technology 72x64 record 10 times and save 10 groups 2. Fingerprint head shape: square 10.4x10.4mm 3. Storage capacity: 10 groups of fingerprints 4. Technology: Biometrics 5. Administrator fingerprint capacity: 2 sets of fingerprints 6. Fingerprint setting: short press to unlock, long press 3S to set fingerprint, long press 6S to delete fingerprint 7. Lock beam diameter: 7mm 8. Battery: Lithium battery 170mAh 3.7V 9. Charging current: 5V/200MA 10. Continuous standby: 6 months 11. Full prompt: red light off 12. LED light: three-color light 13. USB interface: Micro USB 5V 0.5A (emergency + charging) 14. Working temperature: -20 to 70 degrees CelsiusSpecification: Package Weight One Package Weight 0.24kgs / 0.52lb One Package Size 11cm * 7.1cm * 3.4cm / 4.33inch * 2.8inch * 1.34inch Qty per Carton 40 Carton Weight 10.00kgs / 22.05lb Carton Size 37cm * 35cm * 16cm / 14.57inch * 13.78inch * 6.3inch Loading Container 20GP: 1287 cartons * 40 pcs = 51480 pcs40HQ: 2987 cartons * 40 pcs = 119480 pcs

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1. Pixel: 1080P (1920*1080) 2 million pixels, H.264 compression format 2. Audio: Built-in microphone and speaker, support two-way voice intercom 3. Lens: 3.92mm lens, relative aperture 2.4, aperture F1.6, high-power infrared LED light, infrared night vision can reach 20m, full color night vision can reach 15m 4. Fill light: support both 850nm infrared fill light and 6000K white light 5. AP hotspot: connect via AP hotspot, monitor without network 6. Support QR code to quickly configure WiFi 7. TF card storage: support 4G-128G TF Card, support video playback 8. Alarm method: motion detection alarm, mobile phone push alarm 9. AI intelligence: support human form tracking and human form detection functions 10. Authority management: The system defaults the first user to be added as the administrator, and other users need authorization to access 11. Two-way voice, PTZ: left and right: 355 degrees, vertical: 58 degrees 12. Frame frequency: 15-25 frames 13. Wireless: support 2.4GHz Wi-Fi (802.11 b/g/n), support WEP, WPA, WPA2 encryption 14. Power supply: input AC: 100~240V, output DC: 12V/0.5A 15. Product size: 10x14x15.5cm 16. Product weight: 221gSpecification: General Certificate CE Model SP028 Performance Motion detection, Night Vision, Two Way Audio Memory TF Card, up to 128GB (not included) Network Wireless WiFi 802.11 b/g/n, 2.4GHz WIFI Encryption WEP, WPA, WPA2 Online Visitor (Max.) 5 System / Hardware Image Sensor CMOS Sensor Size 1/2.9 inch Progressive Scan Pixels 2.0MP Pan/Tilt-Horizontal Angle 350 degree Pan/Tilt-Vertical Angle 90 degree Media Format Video Compression Format H.264 Resolution 1920*1080 Night Vision Infrared Distance 20m Physical Environment Operate Temperature -10 to 50 Degree Celsius Working Humidity 10 to 90 percent Dimensions Size 10x14x15.5cm Weight 221g Package Include Package Contents 1 x Camera 1 x User Manual 1 x Power Charger 1 x Screws Set Package Weight One Package Weight 0.46kgs / 1.01lb One Package Size 21cm * 19cm * 13cm / 8.27inch * 7.48inch * 5.12inch Qty per Carton 24 Carton Weight 11.00kgs / 24.25lb Carton Size 58cm * 54cm * 44cm / 22.83inch * 21.26inch * 17.32inch Loading Container 20GP: 193 cartons * 24 pcs = 4632 pcs40HQ: 449 cartons * 24 pcs = 10776 pcs

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1. 1/2.9" 5.0Megapixel (2560*1920) CMOS. 2. UTC Coaxial control Auto Focus 4*Zoom 2.8-12MM Lens. 3. Wide power supply design, can work in a wide voltage range. 4. Green products, low current, low power consumption, energy saving. 5. Video lightning, anti-static dry flex circuit design - effective against high-voltage outdoor lightning, power surges and static electricity. 6. High speed, long distance real-time transmission. 7. Lens: Auto Focus lens 2.8-12MM H: 106.6(W)-51.8 degree(T) V: 76.8(W)-38.8 degree(T).Specification: General Model TV-655H5/A AF Shape Bullet Mount Types Wall bracket Power Depletion 3W Power Supply DC 12V 1.0A System / Hardware Image Sensor CMOS Sensor Size 1/2.9 inch Progressive Scan Image 1/2.9 Lens 2.8-12mm Day/Night Auto(ICR) / Color / B/W Minimum Illumination 0.1LUX, 0.01Lux (IR on) Media Format Frame Rate (FPS) 25fps Night Vision Infrared Distance 20m Configuration 42 infrared LEDs Physical Environment Environment Outdoor, Indoor Ingress Protection IP66 Operate Temperature -20 to 80 Degree Celsius Package Weight One Package Weight 0.68kgs / 1.50lb One Package Size 22cm * 12cm * 10.5cm / 8.66inch * 4.72inch * 4.13inch Qty per Carton 8 Carton Weight 7.00kgs / 15.43lb Carton Size 45cm * 26cm * 24cm / 17.72inch * 10.24inch * 9.45inch Loading Container 20GP: 949 cartons * 8 pcs = 7592 pcs40HQ: 2204 cartons * 8 pcs = 17632 pcs

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1. Display: 1.85-inch TFT HD screen; 240*286 resolution 2. CPU: Realtek8752x 3. Flash: 64M+64M 4. Bluetooth: BLE5.0 5. Heart rate sensor: LC11 S + body temperature 6. G-sensor: STK8321 7. Battery: 200mAh high-capacity polymer battery 8. Waterproof grade: IP68 9. Charging time: 2 hours 10. Standby time: 30 days -35 days 11. Use time: 5-7 days 12. System support: Android 4.4 and above and IOS 9.0 and above 13. Functions: continuous heart rate, body temperature detection, blood oxygen saturation, blood pressure monitoring, brightness adjustment, raising hand to brighten the screen, incoming call reminder/rejection, information prompt, multiple sports modes, weather forecast, flashlight, clock display, alarm clock, Music control, changeable dial, custom wallpaper, sedentary reminder, do not disturb mode, search bracelet, remote camera, sleep monitoring, step counting, distance, calories, etc. 14. Body material: PC+ABS 15. Strap Material: Silicone 16. Machine size: 38x45.5x9mm 17. Strap size: 260mm 18. Machine weight: 42g 19. Languages: Chinese, English, Japanese, Italian, French Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 2cm / 5.91inch * 3.94inch * 0.79inch Qty per Carton 80 Carton Weight 9.74kgs / 21.47lb Carton Size 30cm * 40cm * 20cm / 11.81inch * 15.75inch * 7.87inch Loading Container 20GP: 1111 cartons * 80 pcs = 88880 pcs40HQ: 2579 cartons * 80 pcs = 206320 pcs

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Overview1. Sharp GP2Y1010AU0F onboard, detecting fine particle larger than 0.8μm in diameter, even like the cigarette smoke2. Low power consumption, analog voltage output, the output level is linear with dust density3. Embedded voltage boost circuit to support wide range of power supplySpecifications1. Sensitivity : 0.5V/(100ug/m3)2. Measurement range : 500ug/m33. Power : 2.5V~5.5V4. Operating current : 20mA(max)5. Operating temperature : -10~65 degree C6. Storage temperature : -20~80 degree C7. Life time : 5 years8. Dimension : 63.2mmx41.3mmx21.1mm9. Mounting holes size : 2.0mm10. Air hole size : 9.0mmApplications1. Air purifier2. Air conditioner3. Air monitor4. PM2.5 DetectorHow to UseIn the case of working with a MCU:1. VCC: 2.5V ~ 5.0V2. GND: GND3. AOUT: MCU.IO (analog output)4. ILED: MCU.IO (module driving pin)Package Contents1. Dust Sensor × 12. XH2.54 4-pin wire × 1Specification: Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 5cm * 4cm * 1cm / 1.97inch * 1.57inch * 0.39inch Qty per Carton 4800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 4800 pcs = 1329600 pcs40HQ: 644 cartons * 4800 pcs = 3091200 pcs

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Features1. 20X optical zoom professional full HD camera , suitable for larger occasion 2. Up to 1080p 60fps, higher quality image 3. Simultaneous 3G-SDI, HDMI, IP Streaming video out, easily for professional video production 4. PoE(Power over Ethernet) supported 5. Double track 3.5mm linear input for audio 6. Auto focus, smart frame capture everyone 7. Support H.265/H.264 encoding which makes motion video fluent and clear even with less than ideal bandwidth conditions. 8. Advanced 2D/3D noise reduction technology further reduces the noise while ensuring high image clarity 9. High speed and silent pan/tilt, capture all the actions 10. Multiple control protocol and network protocol 11. Low-power sleep function 12. Ideal for church live streaming, video confrence, sports events, online education, ect.Specifications1. Model: POE20X 2. Sensor: 1/2.9 inch high quality CMOS sensor 3. Effective Pixels: 2.07 megapixel, 16:9 4. Output Resolutions: 720P 25/29.97/30/50/59.94/60fps, 1080p 25/30/29.97/30/50/59.94/60fps 5. View Angle: 3.3 degrees ~ 54.7 degrees 6. Focus Length: F=5.5 ~ 110mm 7. AV: F1.6 ~ F3.5 8. Optical Zoom: 20X 9. Illumination: 0.5 lux F1.8, AGC ON 10. DNR: 2D & 3D 11. White Balance: Auto / Manual / One Push /3000K/3500K/4000K/4500K/5000K/5500K/6000K/6500K/7000K 12. Focus: Auto / Manual/ One Push Focus 13. Exposure: Auto / Manual 14. BLC: On/Off 15. WDR: OFF/Dynamic level adjustment 16. Video Adjustment: Brightness, Color, Saturation, Contrast, Sharpness, B/W mode, Gamma curve 17. SNR: Greater than 55dB Input/output Interface 1. Video Interface: HDMI, 3G-SDI, LAN(support PoE) 2. Image Code Stream: Double stream outputs simultaneously 3. Video Compression Format: H.264, H.265 4. Audio Interface: Double track 3.5mm linear input 5. Audio Compression Format: AAC, MP3, G.711A 6. Control Interface: RS232 (IN/OUT), RS485 7. Control Protocol: VISCA/Pelco-D/Pelco-P 8. HD IP Interface: 100M IP port (10/100BASE-TX) 9. Network Protocol: RTSP, RTMP, ONVIF, GB/T28181, VSICA 10. Power Interface: HEC3800 outlet (DC12V) PTZ Parameters 1. Pan Rotation: -170 degrees ~ + 170 degrees 2. Tilt Rotation: -30 degrees ~ +90 degrees 3. Pan Control Speed: 0.1 ~60 degrees/sec 4. Tilt Control Speed: 0.1~30 degrees /sec 5. Preset Speed: Pan: 60 degrees /sec, Tilt: 30 degrees/sec 6. Preset Number: 255 presets (10 presets via remote control) Other Parameters 1. Input Voltage: 12V/1.5A 2. Power Consumption: 12W 3. Stored Temperature: -40 degree C ~ +70 degree C 4. Storage Humidity: 20%~90% 5. Working Temperature: -10 degree C~ +50 degree C 6. Working Humidity: 20%~80% 7. Dimension (W*H*D): 150mm x 150mm x 167.5mm 8. Unit Weight: 1.4kgPackage List1. Video Camera x 1 2. Remote Control x 1 3. RS232 Control Cable x 1 4. RS485 Terminal Block x 1 5. Power Adapter x 1 6. EU Standard Power Cable x 1 7. US Standard Power Cable x 1 8. Manual x 1Specification: Package Weight One Package Weight 3.01kgs / 6.64lb One Package Size 31cm * 27cm * 27cm / 12.2inch * 10.63inch * 10.63inch Qty per Carton 4 Carton Weight 12.80kgs / 28.22lb Carton Size 55cm * 55cm * 32cm / 21.65inch * 21.65inch * 12.6inch Loading Container 20GP: 275 cartons * 4 pcs = 1100 pcs40HQ: 639 cartons * 4 pcs = 2556 pcs

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1. Material: ABS plastic2. OE number: 28438-3SH0B3. Reminder type: buzzer4. Applicable models: for BMW5. Plug: 2-pin6. For 2016-2018 Infiniti Q507. The sensor installed on the front and rear bumpers of the car can detect obstacles in front and behind the car, helping the driver to understand the obstacles when parking and avoid scratches on the car body8. It has the characteristics of impact resistance and high temperature resistance9. For non-professional customers, it is recommended to find an auto technician or go to an auto repair shop for replacementSpecification: General Compatible with Infiniti: Q50 Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 9cm * 6cm * 5cm / 3.54inch * 2.36inch * 1.97inch Qty per Carton 180 Carton Weight 6.90kgs / 15.21lb Carton Size 47cm * 38cm * 32cm / 18.5inch * 14.96inch * 12.6inch Loading Container 20GP: 466 cartons * 180 pcs = 83880 pcs40HQ: 1083 cartons * 180 pcs = 194940 pcs

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1. It displays driving data on the car windshield such as speed,RPM,water temperature,voltage,single mileage etc;avoiding drivers unsafely because of watching the instrument while driving.Drivers can read the driving information instantly, and always keep the best state on the way with HUD.2. OBD mode display information: vehicle speed, rotational speed, water temperature, voltage, fuel consumption, altitude, local time, driving time, driving distance, number of satellites, acceleration per 100 kilometers, number of satellites, driving direction, altitudeAlarm: overspeed alarm, speed alarm, high water temperature alarm, low voltage alarm, fatigue driving reminder alarm3. GPS mode display information: vehicle speed, voltage, driving direction, local time, driving time, number of satellites, acceleration to 100 kilometers, altitude, driving distanceAlarm: overspeed alarm, low voltage alarm, fatigue driving reminder alarm4. Light sensor: HUD can automatically adjust the brightness according to the environment5. Speed icon: OBD mode:speed Car ECU data,GPS mode:satellite data like compassSpecification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 15cm * 10cm * 6cm / 5.91inch * 3.94inch * 2.36inch Qty per Carton 50 Carton Weight 13.25kgs / 29.21lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 50 pcs = 26100 pcs40HQ: 1212 cartons * 50 pcs = 60600 pcs

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Features:1. Fast response, low power consumption, simple detection circuit, good stability, long life2. Split universal flexible probe, easy to touch all kinds of environment3. MP-901 sensor, high sensitivity, fast response4. The heater and metal oxide semiconductor gas sensing layers were fabricated on both sides of the micro-AI2O3 ceramic substrate by using a multi-layer thick film manufacturing process and encapsulated in a metal shell5. High strength ABS engineering plastics, no fear of environmental challenges6. Adopt air filter to reduce the disturbance of water, air and dust7. Rich alarm methods (beeping, lighting, vibration) , gas leak real-time feedbackParameters:1. Detection gases: CFCs: R11, R12, R500, R503, etc; HCFCs: R22, R123, R124, R502, etc; HCFCs: R134a, R404a, R125, etc.2. Operating voltage: DC4.5 V3. Power mode: 3 x AAA alkaline dry cells (not included)4. Run time: more than 6 hours5. Display: LCD liquid crystal display with automatic backlighting6. Direct reading: sensor Concentration Reading, battery charge, concentration unit, temperature7. Alarm settings: low-alarm function, high-alarm function settings8. Warm-up time: 30 seconds9. Response time: less than 10 seconds10. Measurement range: 0-1000 ppm11. Resolution: 1 ppm12. Sampling mode: diffusion mode13. Alarm: sound, light-emitting diode, vibration indication alarm, voltage under-voltage indication14. Audio tip: the higher the frequency of beeps, the higher the concentration15. Service temperature range: -10-50 degrees celsius16. Size: 156 x 64 x 27mm17. Weight: about 200gApplicable to the following gases and occasions:1. Detection of halogen gases (including chlorine and fluorine)2. Detecting ethylene oxide and ethanol gas for medical use3. Detect Halon gas in the fire extinguishing system4. Testing of air-conditioning, refrigeration systems and refrigerant recovery equipmentSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 18cm * 8cm * 4cm / 7.09inch * 3.15inch * 1.57inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 98 pcs = 17346 pcs40HQ: 412 cartons * 98 pcs = 40376 pcs

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1. Display: the maximum display number is 3999, the character height is 14mm 2. Power supply: 1.5V (AAA) x 3 (not included) 3. Dimensions: 195x92x55mm 4. Weight: about 400g 5. With background light, automatic shutdownSpecification: Package Weight One Package Weight 0.56kgs / 1.24lb One Package Size 22cm * 13cm * 7cm / 8.66inch * 5.12inch * 2.76inch Qty per Carton 10 Carton Weight 7.00kgs / 15.43lb Carton Size 47cm * 40cm * 34cm / 18.5inch * 15.75inch * 13.39inch Loading Container 20GP: 417 cartons * 10 pcs = 4170 pcs40HQ: 968 cartons * 10 pcs = 9680 pcs

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Features1. Intelligent leveling-free technology. The CR-6 SE featuring an true leveling-free technology, this is a 3D Printer that lets you always rely on highly accurate results. 2. Photoelectric filament sensor: That basically mean that your CR-6 SE will keep your printing performance running smartly and smoothly. If the machine suddenly runs out of filament or if it simply breaks, the printers photoelectric filament sensor will instantly pick up that disruption and will stop the machine. As soon as the new filament feeds in, the CR-6 SE will resume its operation without making you lose your work. 3. Resume pringing functions. Did the power suddenly or accidentally go off? No worries, the CR-6 SE 3D Printer will resume printing if the power supply is interrupted. That is right, you can forget about starting over because print failure is no longer an issue. 4. Modular nozzle. The CR-6 SE is designed with a modular nozzle that means you can customize it. From the heat block to the nozzle tip, among other parts, this is a Modular 3D Printer that is easy to keep. 5. A dependable extruder. With its compact and reliable extruder, you know that a smoother extrusion and an easier filament feed will ultimately generate faster, quieter, and smoother prints. 6. Cut the noise. It is added a silent chipset to the CR-6 SE. Its trinamic driver helps to ensure that voltage control, fast movement, and printing in silence are a given. 7. Tempered glass plate. The CR-6 SE 3D printer comes with a carborundum glass hotbed platform that is flatter than aluminum and which offers a thermal performance that ensures quick heating up, strong adhesion, and prints that are easy to remove. 8. Strong stable and stylish. The CR-6 SE 3D printer work station has a beautiful design that compliments any desktop you use it on. Meanwhile, self-designed profiles and stepper motor cover prevent filament scraps and dust. The CR-6 SE also comes with a well-arranged ribbon cable that ensures safety issues are never a concern. 9. Reduced vibration for refined results. This printer is designed with a wider foundation and equipped with dual Z-axises matched with an adjustable timing belt that translates into reduced unwanted motion and improved refined results. So the stability of the machine and its performance is simply impressive. 10. No dust, neat and notable. CR-6 SE revamps in quite a distinguished look. From the bottom to the top, the flat aluminum profiles make the machine stylish and prevent dust. 11. Intuitive user experience. The CR-6 SE 3D printer features a 4.3 inch HD color LCD touch screen that allows you to easily and intuitively operate the device. Available in English and Chinese, and with a simplified and smart interface, this touch screen ensures that this printers user experience always equates to smooth sailing. 12. All-around safety. Hassle-free printing with over current protection, over-load protection, and thermal runaway protection. 13. A 3D printer you can carry. In fact, it features a convenient removable handle that makes it easy to carry whenever you need to. 14. All you need is within reach. User experience improved by optimized details like sealed aluminum profiles, foldable filament holder, tools storage box, belt tensioner.Parameters1. Molding technology: FDM 2. Print resolution: about 0.1mm 3. Nozzle diameter: 0.4mm(standard) 4. Nozzle temperature: about 260 Degrees Celsius 5. File transfer: USB/SD card 6. File formats: STL/OBJ/AMF 7. Motherboard: silent motherboard 8. Nominal power: 350W 9. Nominal voltage: AC 100-240V, 50/60Hz 10. Output voltage: DC 24V 11. Print speed: 80-100mm/s 12. Supported material: PLA/TPU/PETG/ABS/Wood 13. Print size: 23.5x23.5x25cm 14. Machine size: 44.2x46.2x54cmSpecification: Package Weight One Package Weight 14.20kgs / 31.31lb One Package Size 53cm * 50cm * 28cm / 20.87inch * 19.69inch * 11.02inch Qty per Carton 1 Carton Weight 15.50kgs / 34.17lb Carton Size 55cm * 52cm * 30cm / 21.65inch * 20.47inch * 11.81inch Loading Container 20GP: 310 cartons * 1 pcs = 310 pcs40HQ: 721 cartons * 1 pcs = 721 pcs

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