Search results for "school electronics"

1. Integrating modern DSP technology with traditional pointer tuning structures, it employs software-defined radio principles to demodulate broadcast signals, enhancing listening sensitivity, selectivity, signal-to-noise ratio, and interference resistance2. Receives FM (64-108MHz), AM (522-1620kHz), and SW (3.2-22.0MHz) radio broadcasts4. Large-diameter speaker delivers clear, rich sound5. Treble/bass control switches adjust audio quality for different program types6. Convenient shoulder strap design for easy portability7. Features external power jack and headphone jack8. Power supply: 3 AA batteries (not included)9. Size: about 20 x 12 x 4cmSpecification: Package Weight One Package Weight 0.52kgs / 1.16lb One Package Size 23cm * 13cm * 6cm / 9.06inch * 5.12inch * 2.36inch Qty per Carton 24 Carton Weight 13.40kgs / 29.54lb Carton Size 48cm * 38cm * 28cm / 18.9inch * 14.96inch * 11.02inch Loading Container 20GP: 522 cartons * 24 pcs = 12528 pcs40HQ: 1212 cartons * 24 pcs = 29088 pcs

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1. JPEG PDF-A4 or PDF-Letter scan-format selection. 2. Color or Mono scan-color selection. 3. Scanning resolutions: 300/600/1050 DPI selection. 4. Directly save JPG(JPEG)/PDF files to the Micro SD card. 5. Supports Micro SD card of up to 32GB (not included) 6. 480*320 HD TFT LCD color display to playback the scanned images. 7. Double roller design, double roller drive scanning, Scan more stably. 8. Built-in 850mAh lithium-polymer battery. 9. Bookedge design, get all the book content. 10. Wireless design, scan picture anywhere and anytime. 11. Driver free to download for MS Windows 8/ 7 / Vista / XP and Mac OS 10.4 or above (direct plug-in, driver installation not required) 12. Resolution: - Low resolution: 300x300 dpi. - High resolution: 600x600 dpi. - Fine resolution: 1050x1050 dpi. 13. Scanning Speed: - Mono Low resolution: 2.0 Seconds. - Color Low resolution: 3.0 Seconds. - Mono High resolution: 6.0 Seconds. - Color High resolution: 8.0 Seconds. - Mono Fine resolution: 10 Seconds. - Color Fine resolution: 12 Seconds. 14. Capacity (Based on 2GB MicroSD card): - Mono Low resolution: 1200pcs. - Color Low resolution: 1000pcs. - Mono High resolution: 600pcs. - Color High resolution: 550pcs. - Mono Fine resolution: 150pcs. - Color Fine resolution: 140pcs. 15. Scanner photo size: A4, A5, 5R, 4R, 3R and below. 16. Scan width: 225mm 17. Scan length: 300DPI: 125 inch (max), 600DPI: 60 inch (max), 1050DPI: 50 inch (max). 18. Battery Life: >= 400 piece (A4 paper default, low resolution with color).Specification: General Certificate ROHS, EMC Model iScan02 Material ABS, Plastic Interface USB 2.0 External Memory MicroSD Card, up to 32GB (not include) Power Supply Built-in 850mAh lithium-polymer battery Size 258*39*28mm Parameters Display 480*320 Image Sensor A4 Color Contact Image Sensor Resolution 300 DPI, 1050 DPI File Format JPG, PDF Package Include Package Contents 1 x USB Cable 1 x Scanner Package Weight One Package Weight 0.41kgs / 0.91lb One Package Size 32cm * 11.5cm * 5.5cm / 12.6inch * 4.53inch * 2.17inch Qty per Carton 40 Carton Weight 14.00kgs / 30.86lb Carton Size 46cm * 30cm * 34cm / 18.11inch * 11.81inch * 13.39inch Loading Container 20GP: 568 cartons * 40 pcs = 22720 pcs40HQ: 1319 cartons * 40 pcs = 52760 pcs

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Specification1. Frequency response: Input STEREO OUT 0.5dB / -1.0dB (20Hz020kHz), test rated output level @ 1kHz, GAIN knob: Medium 2. Distortion: 0.02% @ +10dBu (20 Hz~ 20kHz) 3. Residual noise: -85 dBu 4-channel crosstalk: (1kHz) -83dB 5. Input: MiC*6, 2RCA, PC, 2LINE, USB, BT, 3.5MINI 6. Output: STEREO OUT: 2, PHONES: 3.5MINI headphone output: 1, 3.5MINI mobile phone live output 7. Bus: Stereo: 1 8. Input channel function: HPF (Mono): 80 Hz, 12dB / Octave EQ high gain: + 15dB / -15dB, Treble 10kHz, midrange 2.5KHz, bass 100Hz Peak LED: When the signal after EQ reaches 3dB below the distortion, the LED lights up 9. Level indicates the MAIN STETREO LEVEL knob, when the signal after MAIN LEVE, the green light is on When it reaches 0dB, when the signal reaches 0dB below the distortion, the red light will be clipped, and the LED will light up and light up. 10. Input and output level: MIC (-60dB) LINE ONPUT (-40dB)Features1. Intelligent noise reduction, high fidelity sound quality, clear and bright vocals, 24-Bit/ 48Khz. 2. Built-in high-speed ARM chip, with unique low-noise, voice-changing, pitch-changing, reverberation, delay, electronic sound effects and other processing technologies. 3. Built-in 5.0 bluetooth chip, support bluetooth devices such as mobile phones/computers/tablets, simple and convenient, easy and convenient, barrier-free 8-10 meters. 4. LO0PBACK supports internal recording, integrating the mixer and sound card into one, easy to achieve, recording or webcasting. 5. Multiple record groups are optional, and dual monitor mode is optional. Specification: Package Weight One Package Weight 1.42kgs / 3.14lb One Package Size 34cm * 28cm * 8cm / 13.39inch * 11.02inch * 3.15inch Qty per Carton 10 Carton Weight 15.55kgs / 34.28lb Carton Size 48cm * 42cm * 38cm / 18.9inch * 16.54inch * 14.96inch Loading Container 20GP: 348 cartons * 10 pcs = 3480 pcs40HQ: 808 cartons * 10 pcs = 8080 pcs

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1. Projection technology: 3LCD & DLP & LCD2. Resolution: 1920*1080P3. Brightness: 100 ANSI lumens4. Light source: LED light source5. Service life of light source: 20,000-50,000 hours6. Projection method: front projection/rear projection/ceiling projection7. Projection size: 30-100 inches8. Projection distance: 1-4 meters9. Transmittance: 1.37:110. Projection ratio: 16:09 (16:10 4:3)11. Contrast ratio: 1500:112. Power consumption: 55W13. Keystone correction: electric keystone correction14. Focus: manual15. Speakers: 2 4 ohm 3 watt speakers16. Noise: 40db17. Video format: vob/mkv/mpg/mp4/mov/avi, etc.18. Audio format: MP3/WAV/WMA, etc.19. Picture format: JPG/GIF/BMP/PNG, etc.20. Interface: 1*HDMI input, 1*USB 2.0 input, 1*DC 19V 3A, 1*AV-in compatible headphone output21. Power supply: DC19V 3A22. Material: plastic23. Dimensions: 146x137x107mm24. Weight: 1.1kg25. Packing list: 1* projector, 1* manual, 1* remote control, 1* power adapterSpecification: General Model Y1 Material Plastic OS Android 6.0 RAM 1GB ROM(Flash) 16GB Display Types LCD, DLP Native Resolution 1920 x 1080 Aspect Ratio 16:9, 4:3, 16:10 Brightness 100 ANSI Light Source Life 20,000-50,000 hours Lamp Types/Number/Life LED Contrast Ratio 1500:1 Keystone Correction electric keystone correction Focusing Manner Manual Focus Projection Methods Front, Rear, Ceiling Projection Distance 1 - 4m Image Size 30-100 inch Battery 2600mAh Power Supply DC 19V Power Consumption 55W (Max) Speaker 2*4 ohm 3 watt speakers Media Format Audio MP3, WAV, WMA Video MP4, AVI, MOV, MKV, VOB Picture JPG, PNG, BMP, GIF Dimensions Size 146x137x107mm Weight 1.1kg Package Include Package Contents 1 x Projector 1 x Remote Control 1 x Power Adapter 1 x Manual Package Weight One Package Weight 1.66kgs / 3.66lb One Package Size 21cm * 20cm * 17cm / 8.27inch * 7.87inch * 6.69inch Qty per Carton 8 Carton Weight 14.74kgs / 32.50lb Carton Size 42cm * 42cm * 36cm / 16.54inch * 16.54inch * 14.17inch Loading Container 20GP: 419 cartons * 8 pcs = 3352 pcs40HQ: 974 cartons * 8 pcs = 7792 pcs

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1. Comes with dual USB charging ports, which can directly charge the mobile phone 2. Simple sliding device, easy to switch between different plugs 3. Built-in over-temperature protection, over-voltage protection, over-current protection, over-charge protection, short-circuit protection, etc., double fuses, safer charging 4. Small size, easy to carry 5. Material: ABS 6. Weight: about 119g 7. Size: 54x60x52mm 8. Input: 100-240V ~ 50/60Hz 300mA 9. Single port/dual port USB output: 5V/2.4A (Max) 10. Rated current: 8A (Max) 11. Rated power: 1840W (Max)Specification: Package Weight One Package Weight 0.19kgs / 0.41lb One Package Size 15cm * 10cm * 5.5cm / 5.91inch * 3.94inch * 2.17inch Qty per Carton 120 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 35cm * 37cm / 20.47inch * 13.78inch * 14.57inch Loading Container 20GP: 396 cartons * 120 pcs = 47520 pcs40HQ: 919 cartons * 120 pcs = 110280 pcs

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1. Can read U disk, mobile hard disk,SD card,AV connect DVD, set top box. 2. Standard includes: projector host + remote control + power cord + three in one AV cable +User's Manual +Packing box. 3. Resolution: 800*480.Language: 23 kinds.Image size: 50~130 inches. 4. Projection ratio: 4:3/16:9. Contrast:1000:1. whole machine power: 40W (MAX). 5. Input interface:VGA/HDMI/USB/AV. 6. Interface output:earphone. 7. Input voltage:100-240V~50/60Hz 2.6A. Specification: General Model YG520 Dimensions Size 18.9*15.7*7.5cm Weight 950g Package Weight One Package Weight 1.60kgs / 3.53lb One Package Size 20cm * 16cm * 10cm / 7.87inch * 6.3inch * 3.94inch Qty per Carton 10 Carton Weight 16.00kgs / 35.27lb Carton Size 60cm * 32cm * 42cm / 23.62inch * 12.6inch * 16.54inch Loading Container 20GP: 330 cartons * 10 pcs = 3300 pcs40HQ: 767 cartons * 10 pcs = 7670 pcs

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Features1. Built-in Android 7.1 system, wireless WIFI Internet access. 2. Wireless connection to Android phones, iphone, IPAD, etc. 3. Built-in super battery life, strong playback for more than 2 hours. 4. Play the OFFICE document independently. 5. Support U disk plug and cast. 6. External Bluetooth speaker and cable speaker sound extension can be connected. 7. DLP display technology, the projection screen is large, and the display effect is good.Specification1. Projection Technology: DLP 2. Native Resolution: WVGA 854*480, Maximum support resolution: 1920*1080P 3. LED Luminance: 50 ANSI Lumen 4. Projection Mode: front 5. Projection Size: 30-120 inch 6. Projection Distance: 1-5m 7. Projection Ratio: 1.19:1 (37.8 inch @ 1M) 8. Aspect Ratio: 16 : 9 9. Contrast: 2000 : 1 10. Distortion: less than 1.0% 11. Luminance Uniformity: more than 85% 12. Focus Mode: manual 13. Keystone Correction: Automatic, vertical: +/- 40 degree 14. PCBA Parameters: Touch Control: yes Other Control: Button or IR/2.4G wireless remote Operation System: Android 7.1.2 (OTA Upgrade) CPU Chipset: RK3128 GPU: Mali-400MP2 GPU RAM: 1GB DDR3, ROM Flash: 16GB WIFI: 2.4G / 5G Bluetooth: 4.1 Built-in Speakers: 1 x 1w Video format: 1080P AVI, MP4, DAT, VOB etc. Audio format: MP3,WMA,3GP,WAV etc. Image format: jpg, png, bmp etc. 15. Interface: Mini HDMI IN, 1 x USB 2.0 IN, TF card slot, 1 x 3.5mm Audio OUT, Power: 1 x DC 5V IN. 16. Power Input: AC100-240V, 50/60Hz, DC5V3ASpecification: Package Weight One Package Weight 0.76kgs / 1.66lb One Package Size 19cm * 12cm * 7.5cm / 7.48inch * 4.72inch * 2.95inch Qty per Carton 30 Carton Weight 23.55kgs / 51.92lb Carton Size 44cm * 38cm * 32cm / 17.32inch * 14.96inch * 12.6inch Loading Container 20GP: 498 cartons * 30 pcs = 14940 pcs40HQ: 1157 cartons * 30 pcs = 34710 pcs

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1. Frequency receiving range: 64-108MHz 2. Receiving sensitivity: 5dB 3. Product dimension: 80x28x20mm 4. Battery: 2 x 1.5V AAA batteries(not included) 5. Minimum operating voltage: 2.2V 6. Maximum power output: 2.4MW 7. Maximum current: 26MA 8. Stereo separation: >=32DB 9. Distortion degree: <=1% 10. Standard accessories: headset, rope, white box, manualSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 12cm * 8cm * 3cm / 4.72inch * 3.15inch * 1.18inch Qty per Carton 100 Carton Weight 6.60kgs / 14.55lb Carton Size 42cm * 27cm * 26cm / 16.54inch * 10.63inch * 10.24inch Loading Container 20GP: 904 cartons * 100 pcs = 90400 pcs40HQ: 2099 cartons * 100 pcs = 209900 pcs

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1. Material: ABS shell2. Wire material: PVC/Brass3. Power supply: 9V 6F22 battery or AAA battery (not included)4. Working temperature: 0-40 degrees Celsius5. DC voltage: 200m-2-20-200-1000V6. AC voltage: 200m-2-20-200-700V7. DC current: 2m-20m-200m-20A8. Alternating current: 2m-20m-200m-20A9. Resistance: 200-2K-20K-200K-2M-20M-200M10. Capacity: 20n-200n-2u-20u-200uF11. Measuring resistance range: 200 ROM12. 3-digit LCD, display value 1999 (MAX)13. PVC shockproof sleeve, double fuses, safe and reliable14. Cable length: 70 cm15. Dimensions: about 172.9x87.7x33.3 mm16. Weight: 178 gramsPacking list- Digital multimeter x 1- Test lead x 1- User manual x 1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 12cm * 5cm * 20cm / 4.72inch * 1.97inch * 7.87inch Qty per Carton 100 Carton Weight 22.00kgs / 48.50lb Carton Size 50cm * 50cm * 44cm / 19.69inch * 19.69inch * 17.32inch Loading Container 20GP: 242 cartons * 100 pcs = 24200 pcs40HQ: 562 cartons * 100 pcs = 56200 pcs

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Features1. Resistive touch screen TFT LCD, 2.8inch, 320x240 resolution2. Standard Arduino interface, compatible with development boards like : Arduino UNO, 3. Leonardo, UNO PLUS, NUCLEO, XNUCLEO4. Onboard stand-alone touch controller, better touching than solutions that use AD pins directly for touch control5. Micro SD slot, provides an easy way to store photos for displaying6. Controlled via SPI, only a few Arduino pins are used7. Backlight adjustable by program, lower power consumptionKey Parameters1. LCD Type: TFT2. LCD Interface: SPI4. LCD Controller: HX8347D5. Touch Screen Type: Resistive6. Touch Screen Controller: XPT20467. Colors: RGB, 65K colors8. Resolution: 320x240 (Pixel)9. I/O Voltage: 3.3V/5VWiki : www.waveshare.com/wiki/2.8inch_TFT_Touch_ShieldSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 840 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 36cm * 40cm / 22.05inch * 14.17inch * 15.75inch Loading Container 20GP: 330 cartons * 840 pcs = 277200 pcs40HQ: 767 cartons * 840 pcs = 644280 pcs

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1. Material: wood + plastic2. Applicable age: 3 years old and above3. Safe material, durable and durable, children play more peace of mind4. Improve children hands-on ability and spirit of exploration, suitable for school and home teaching5. Combine toys with scientific principles, make science more simple and interesting, let children fall in love with science6. Training children practical ability, hand-eye coordination, exercise thinking, develop intelligence, inspire creativity, explore science7. Size: about 12.5 x 9.7cmSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 20cm * 15cm * 3cm / 7.87inch * 5.91inch * 1.18inch Qty per Carton 300 Carton Weight 46.50kgs / 102.51lb Carton Size 61cm * 51cm * 41cm / 24.02inch * 20.08inch * 16.14inch Loading Container 20GP: 209 cartons * 300 pcs = 62700 pcs40HQ: 485 cartons * 300 pcs = 145500 pcs

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1. Speaker power: 8ohms 0.5W2. Battery capacity: 550mAh3. Power input: DC 5V/1A4. Sound quality: stereo5. Band type: FM - AM - SW Full Band6. FM (frequency modulation): 87 ~ 108 MHz7. AM (amplitude modulation): 9k 522 ~ 1629 kHz; 10k 520 ~ 1710 kHz8. SW (shortwave): 9 ~ 16 MHz9. Compact and portable card-style design10. High-quality, high-sensitivity speakers deliver excellent sound quality, meeting the diverse audio needs of various programs11. Plug in a 3.5mm wired headphone jack for both headphone and antenna signal boost12. LCD backlight displays various information in real time, and the backlight illuminates during operation13. Built-in rechargeable lithium battery, USB-C universal charging port14. Dimensions: 86 x 54 x 10 mmSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 13cm * 10cm * 4cm / 5.12inch * 3.94inch * 1.57inch Qty per Carton 72 Carton Weight 7.60kgs / 16.75lb Carton Size 41cm * 32cm * 34cm / 16.14inch * 12.6inch * 13.39inch Loading Container 20GP: 597 cartons * 72 pcs = 42984 pcs40HQ: 1387 cartons * 72 pcs = 99864 pcs

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