Search results for "school electronics"

1. Frequency range: - FM1:63-87MHz FM2:87-108MHz - MW:522-1620KHz(step:9K) / MW:520-1710(Step:10K) - SW:5.9-21.85MHz 2. Sensitivity: FM: <=18dB MW: <=10mV/M SW: <=60uV 3. Distortion degree: <=1% 4. Single signal selection: <=10db 5. Machine speaker: 50mm/8ohm/0.5W 6. External earphone: 3.5mm/32ohm x2 7. Can set a time/alarm clock function 8. Power supply: 3V (battieries: 2 x AA)(not included) 9. External power suppl: >=32dB 11. Size: 111x70x26mm 12. Standard accessories: headset, rope, white box, english manualSpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 15cm * 8.5cm * 4cm / 5.91inch * 3.35inch * 1.57inch Qty per Carton 100 Carton Weight 18.00kgs / 39.68lb Carton Size 37cm * 34cm * 44cm / 14.57inch * 13.39inch * 17.32inch Loading Container 20GP: 481 cartons * 100 pcs = 48100 pcs40HQ: 1118 cartons * 100 pcs = 111800 pcs

Read more less

Parameter:1. Tone selection: vocal, beat, wooden fish2. Beat: 01234567893. Speed ??range: 40 beats/minute~208 beats/minute4. Display: LCD5. Time display: 24 hours6. Alarm clock: can be set7. Volume: Continuous control of volume dial8. Light display: retake green, downbeat red9. Headphone jack: 3.5mm mono output10. Battery: 850 mAh lithium battery11. External function: can connect to earphones or speakers12. Dimensions: 145x25x60 mm13. Weight: 131.7gFeatures:1. Long battery life, easy to use when going out2. Powerful and clear sound effect3. Small size, easy to carry4. The program is stable and the beat is error-free5. Make the rhythm more stable and the performance more completeSpecification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 16cm * 8cm * 5cm / 6.3inch * 3.15inch * 1.97inch Qty per Carton 200 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 200 pcs = 35400 pcs40HQ: 412 cartons * 200 pcs = 82400 pcs

Read more less

1. Recording format: WAV, MP32. Recording time: 20000 (minutes)3. Video: Does not support video shooting4. Product size: 100x21x8MM5. Material: aluminum titanium alloy + back clip design6. Using three-microphone dynamic noise reduction technology, the recording distance can be increased to 100 meters (specific environment test), high-definition recording Chinese display, to meet your work needs7. DSP acoustic noise reduction, Intel high-speed flash memory chip, save recording files quickly8. Digital encryption makes recording files more secure9. Intelligent voice control, you can set the recording time and start recording intelligently10. Other functions: support multi-music format playback/record while charging/monitor recording/save when power off/delete files11. Packing list: earphone, data cable, manualSpecification: Package Weight One Package Weight 0.11kgs / 0.23lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 288 Carton Weight 35.14kgs / 77.46lb Carton Size 60cm * 60cm * 48.8cm / 23.62inch * 23.62inch * 19.21inch Loading Container 20GP: 151 cartons * 288 pcs = 43488 pcs40HQ: 352 cartons * 288 pcs = 101376 pcs

Read more less

1. Fan like 3D hologram LED display, very creative 2. Display resolution: 450 x 224 Pixels 3. Support GIF, MP4, JPG format 4. Less than 12W power consumption 5. Play: rotate the displaySpecification: General Lamp Beads(pcs) 224 LEDs Material ABS Voltage (V) AC 100-240V Product Size 42*13*11cm Package Weight One Package Weight 1.70kgs / 3.75lb One Package Size 52cm * 15cm * 20cm / 20.47inch * 5.91inch * 7.87inch Qty per Carton 6 Carton Weight 10.50kgs / 23.15lb Carton Size 62cm * 42cm * 42cm / 24.41inch * 16.54inch * 16.54inch Loading Container 20GP: 243 cartons * 6 pcs = 1458 pcs40HQ: 566 cartons * 6 pcs = 3396 pcs

Read more less

1. Printing method: line thermal2. Supported texts and graphics: Chinese, English, numbers, symbols, charts, curves, icons, pre-stored barcodes3. Printing speed: 50~80mm/s4. Printing method: Bluetooth connection, USB connection5. Points per line: 384 points6. Paper width: 56mm7. Printing width: 48mm8. Maximum diameter of paper roll: 40mm9. Support languages: 1. Japanese and Korean are separate fonts; 2. Kannada, Hindi, and Burmese need to update the program; 3. Other languages, the default support can be set directly on the configuration tool10. Paper cutting: tearing by hand11. Operating environment: temperature: -10-50 degrees Celsius; humidity: 20%~85%12. Interface: USB, Bluetooth13. Host size: 102x74x45mm14. Net weight of host: 196g15. Power supply: 1500MAH rechargeable polymer lithium battery16. Power adapter: 5V17. Available time for one charge: 100-200 meters at 12.5% printing density, 80-100 meters at 25% printing density (this parameter is for reference only)Specification: Package Weight One Package Weight 0.37kgs / 0.81lb One Package Size 16cm * 13cm * 7cm / 6.3inch * 5.12inch * 2.76inch Qty per Carton 80 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 80 pcs = 14160 pcs40HQ: 412 cartons * 80 pcs = 32960 pcs

Read more less

Overview1. The SIM7600A-H 4G HAT is a 4G communication and GNSS positioning module, which supports LTE CAT4 up to 150Mbps for downlink data transfer. it is pretty low power consumption. 2. You can connect this 4G module with computer to surf the Internet, or attach it onto Raspberry Pi to enable functions like 4G high speed connection, wireless communication, making telephone call, sending SMS, global positioning, etc.Applicable Region1. SIM7600A-H is mainly applicable in North America (US, CA, MX), SIM7600E-H is mainly applicable in Southeast Asia, West Asia, Europe, Africa, SIM7600CE-T is mainly applicable in China. 2. Please check the supported bands according to your local service provider, select the proper one when placing order.Features1. Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ 2. Support dial-up, telephone call, SMS, MMS, mail, TCP, UDP, DTMF, HTTP, FTP, etc. 3. Support GPS, BeiDou, Glonass, LBS base station positioning 4. Onboard USB interface, to test AT Commands, get GPS positioning data, and so on 5. Onboard CP2102 USB to UART converter, for serial debugging 6. Breakout UART control pins, to connect with host boards like Arduino/STM32 7. SIM card slot, supports 1.8V/3V SIM card 8. Onboard audio jack and audio decoder for making telephone call 9. 2x LED indicators, easy to monitor the working status 10. Onboard voltage translator, operating voltage can be configured to 3.3V or 5V via jumper 11. Baudrate: 300bps-4Mbps (default: 115200bps) 12. Autobauding baudrate: 9600bps-115200bps 13. Control via AT commands (3GPP TS 27.007, 27.005, and V.25TER command set) 14. Support SIM application toolkit: SAT Class 3, USAT 15. Come with development resources and manual (examples for Raspberry Pi/Arduino/STM32)Communications Specifications1. Band: A. LTE: - SIM7600A-H: LTE-FDD B2/B4/B12 - SIM7600E-H: LTE-FDD B1/B3/B5/B7/B8/B20, LTE-TDD B38/B40/B41 - SIM7600CE-T: LTE-TDD B38/B39/B40/B41, LTE-FDD B1/B3/B8 B. WCDMA / TD-SCDMA/ CDMA 2000 - SIM7600A-H: UMTS/HSPA+ B2/B5 - SIM7600E-H: UMTS/HSPA+ B1/B5/B8 - SIM7600CE-T: UMTS/HSDPA/HSPA+ B1/B8, TD-SCDMA B34/B39, CDMA 1X/EVDO BC0 C. GSM/GPRS/EDGE 900/1800 MHz 2. Generation: 4G, 3G, 2.5G, 2G 3. Emitting power: 0.25W, 0.5W/EGSM900, 0.4W/DCS1800, 2W/GSM900, 1W/DCS1800 4. Data Speed - LTE CAT 4: Uplink=<50 Mbps, Downlink=<150 Mbps - UMTS: Uplink=<384Kbps, Downlink=<384Kbps - EDGE: Uplink=<236.8kbps, Downlink=<236.8kbps - GPRS: Uplink=<85.6kbps, Downlink=<85.6kbps - HSPA+: Uplink=<5.76Mbps, Downlink=<42MbpsGNSS Specifications1. Receiver type - 16-channel - C/A code 2. Sensitivity - Tracking: -159 dBm (GPS) / -158 dBm (GLONASS) / TBD (BD) - Cold starts: -148 dBm 3. Time-To-First-Fix (open air) - Cold starts: <35s - Hot starts: <1s 4. Accuracy - Position: <2.5m CEPSMS and Audio Specifications1. SMS - Support types: MT, MO, CB, Text, PDU - Storage: USIM card and ME (default) 2. Audio feature - Support echo cancellation - Support noise reductionOther Specifications1. Power supply: 5V 2. Operating voltage: 5V/3.3V (configured via jumper) 3. Operating temperature: -30 degree C ~ 80 degree C 4. Storage temperature: -45 degree C - 90 degree C 5. Dimension: 56.21mm x 65.15mmWhat is on Board1. SIM7600CE-T 2. CP2102 USB to UART converter 3. NAU8810 audio decoder 4. TXS0108EPWR voltage translator: Translates 3.3V/5V into 1.8V 5. MP2128DT power chip 6. MP1482 power chip 7. Raspberry Pi GPIO header: For connecting with Raspberry Pi 8. SIM7600 control interface: For connecting with host boards like Arduino/STM32 9. SIM card slot: Supports 1.8V/3V SIM card 10. TF card slot: Allows file/SMS/...storage 11. 3.5mm earphone/mic jack 12. USB interface: For testing AT Commands, getting GPS positioning data, etc. 13. USB to UART interface: For serial debugging, or login to Raspberry Pi 14. MAIN antenna connector 15. AUX antenna connector 16. GNSS antenna connector 17. Power switch 18. Network status indicator 19. Power indicator 20. Operating voltage selection jumper: - VCCIO-3.3V: set operating voltage as 3.3V - VCCIO-5V: set operating voltage as 5V 21. UART selection jumper: - A: Access Raspberry Pi via USB to UART - B: Control the SIM7600 by Raspberry Pi - C: Control the SIM7600 via USB to UARTPackage List1. SIM7600CE 4G HAT x1 2. LTE Antenna x1 3. GPS External Antenna (B) x1 4. USB type A plug to micro plug cable x2 5. RPi screws pack (2pcs) x1Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 15cm * 8cm * 3cm / 5.91inch * 3.15inch * 1.18inch Qty per Carton 260 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 39cm / 23.62inch * 15.75inch * 15.35inch Loading Container 20GP: 284 cartons * 260 pcs = 73840 pcs40HQ: 661 cartons * 260 pcs = 171860 pcs

Read more less

Features1. 4.04-inch Large Screen Display: Equipped with 4.04-inch display, resolution is 640 x 1280 pixels, providing clear visuals for easy viewing of translations, text input, photo translation, and daily operations.2. Multiple Translation Functions: Supports online translation, offline translation, photo translation, and mobile phone translation, suitable for travel, business, study, and daily cross-language communication.3. Intelligent Recording and AI Assistant Functions: Equipped with intelligent recording and AI assistant functions, it can be used for meeting minutes, learning assistance, daily communication, and information retrieval, making the translation device more practical.4. Slim and Lightweight Body: Slim and lightweight design, compact and portable.5. Long Battery Life: Built-in 1500mAh battery meets the needs of daily outings, business office work, and study.Specifications:1. Display: 4.04-inch capacitive touchscreen2. Resolution: 640 x 12803. Main Control Chip: MTK67534. Frequency: 1.6GHz5. Cores: Quad-core6. Memory Capacity: 1GB + 16GB7. Memory Type: DDR38. Supported Systems: Windows, Mac OS9. WiFi: 2.4G supported10. Bluetooth: BT4.011. TF Card Expansion: 32GB, FAT format (not included)12. Speaker: Box speaker, 1W 8ohm13. Charging Port: Type-C14. Charging Input: 5V/2A15. Battery Capacity: 1500mAh polymer lithium battery16. Weight: Approx. 188g17. Local Music: Supports MP3, FLAC, WAV, and other local music formats.18. Supports real-time currency conversion.Multiple languages:1. Supports 142 online language translations, 19 offline language translations, 74 online photo translations, and 39 offline photo translations.2. Supports 17 system languages: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, French, German, Russian, Thai, Spanish, Italian, Vietnamese, Portuguese, Indonesian, Arabic, Polish, and Turkish.Specification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 18cm * 10cm * 4cm / 7.09inch * 3.94inch * 1.57inch Qty per Carton 50 Carton Weight 17.20kgs / 37.92lb Carton Size 56cm * 38cm * 32cm / 22.05inch * 14.96inch * 12.6inch Loading Container 20GP: 391 cartons * 50 pcs = 19550 pcs40HQ: 909 cartons * 50 pcs = 45450 pcs

Read more less

Features1. Dual sensitivity mode (12~1000V, 48~1000V) 2. Self-test function when power on (beep and red light) 3. LCD screen indicator: Since the multimeter has a flashlight function and a large backlit screen, the value can be clearly read even in dark places. 4. Low power consumption: The pen multimeter has an automatic shutdown function, which will automatically shut down if there is no operation within 3 minutes. It uses two 1.5V AAA batteries (Not included)with very low power consumption. 5. Digital multimeter supports NCV non-contact voltage detection, and can distinguish the null line and the fire wire to avoid the risk of electric shock. Safe and reliable.Specification1. AC Voltage: 12V -1000V 2. Frequency: 50Hz/60Hz 3. Alarm Mode: Sound/Light/LCD Screen 4. Display: LCD Display Screen 5. Flashlight: Yes 6. High and Low Sensitivity Switch: Yes 7. AC Voltage Detect: Yes 8. Low Voltage Indicator: Yes 9. Auto Power-Off: Automatically shut down when there is no induction or operation for 3 minutes. 10. Battery type: 2 x 1.5V AAA Battery (not included) 11. Size: 167.45 x 26.30 x 21mm 12. Weight: 47.4g 13. Operating environment: 0-40 degree C, relative humidity: Less than or equal 95%. 14. Storage environment: -10-50 degree CSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 22cm * 10cm * 4cm / 8.66inch * 3.94inch * 1.57inch Qty per Carton 120 Carton Weight 8.50kgs / 18.74lb Carton Size 55cm * 47cm * 24cm / 21.65inch * 18.5inch * 9.45inch Loading Container 20GP: 429 cartons * 120 pcs = 51480 pcs40HQ: 997 cartons * 120 pcs = 119640 pcs

Read more less

1) 40X handheld exclamation mark type magnifier 2) With high brightness, two LED lamps can make the magnifier clearer 3) Adopt handhold handle to conform to ergonomics design, ensure softer and more comfortable hand feeling 4) With arc shaped switch pushing board to conforms to finger shape 5) Comes with PU case for good protection 6) Apply to offices, hospitals, schools, instrument evaluation, printing, home living use 7) Powered by 3 x AAA batteries (Batteries not included) 8) Size: 118x30x22mm 9) Package Contents: - 1 x Magnifier - 1 x User Manual - 1 x PU CaseSpecification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 13cm * 3.8cm * 3.8cm / 5.12inch * 1.5inch * 1.5inch Qty per Carton 160 Carton Weight 9.60kgs / 21.16lb Carton Size 38cm * 32cm * 26cm / 14.96inch * 12.6inch * 10.24inch Loading Container 20GP: 843 cartons * 160 pcs = 134880 pcs40HQ: 1958 cartons * 160 pcs = 313280 pcs

Read more less

Parameter1. CPU: Amlogic S905X3 64-bit quad core ARM® Cortex™ A55 CPU 2. GPU: G31™ MP2 GPU processor 3. WiFi: IEEE 802.11 a/b/g/n/ac ; 2.4G / 5G 4. Bluetooth: BT ; Support Voice Remote 5. Power: DC 5V/2A6. OS: Android 9.0 7. Specification: 2GB+16GBI/O1. 1xHDMI: HDMI 2.1 ,Support HDMI CEC, Dynamic HDR and and 8Kx4K@24 max resolution output 2. 1xAV OUT: 480i/576i standard definition output 3. 2xUSB: 1 * USB 3.0 ; 1*USB 2.0 4. 1xIR Reciver: Remote Reciver Connect 5. 1xRJ45: Ethernet Interface;Support 10/100M/1000M 6. 1xTF CARD: Support 2GB/16GB Appliactions1. Online: Browse all video websites,support Netflix,Hulu,Flixster, Youtube, etc. 2. Apps: Apps download freely form android market、amazon app store etc. 3. Medium: Local Media playback,Support HDD, U Disck ,TF Card . 4. Talk online: Support SKYPE video call ,MSN , facebook ,twitter ,QQ etc 5. Others: Support Email,office suit etc.6. Support DLNA function 7. Support 2.4G wireless mouse/keyboard 8. Image: HD JPEG、BMP、GIF、PNG、TIF 9. Language: English French German Spanish Italian etc multilateral languages Accessories 1. HDMI cable x1 2. IR Remote x1 3. User Manual x1 4. Package box x1 5. Power adapter x1Specification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 21cm * 15cm * 5cm / 8.27inch * 5.91inch * 1.97inch Qty per Carton 20 Carton Weight 10.50kgs / 23.15lb Carton Size 23cm * 32cm * 52cm / 9.06inch * 12.6inch * 20.47inch Loading Container 20GP: 696 cartons * 20 pcs = 13920 pcs40HQ: 1617 cartons * 20 pcs = 32340 pcs

Read more less

1. Material: polycarbonate material2. Transmitting frequency: ≤12W3. Battery capacity: 4200 mA4. Working voltage: 7.4V5. Frequency range: 400-520MHZ6. Applicable scenarios: service/catering/site/property/warehouse, etc.7. 1000 times drop test, improve resistance to drop and impact8. 2-15km talking distance9. Dimensions: 135x50x33 mm10. Weight: about 480 gramsSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 25.5cm * 6cm / 8.27inch * 10.04inch * 2.36inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

Read more less

1. Operation mode: TA803A: manual range; TA803B/TA803C: manual/automatic range2. DC voltage: TA803A/TA803B: 0.1mV-1000V; TA803C: 0.01mV-1000V3. AC voltage: 0.01mV-750V4. Current: 0.01uA-10A5. Capacitance: TA803A: 1nF-20000uF; TA803B: 1nF-6000uF; TA803C: 1nF-2000uF6. Resistance: TA803A: 0.1 ohm-20 megohm; TA803B: 0.1 ohm-60 megohm; TA803C: 0.01 ohm-20 megohm7. Frequency: TA803A: 40Hz-1000Hz; TA803B: 10Hz-100kHz; TA803C: 10Hz-20MHz8. Display: TA803A: 1999 (31/2) bits; TA803B: 5999 (3 5/6) bits; TA803C: 19999 (4 1/2) bits9. Sampling frequency: about 3 times / second10. Power supply: 9V battery (not included)11. Automatic shutdown: about 15min12. General features: intelligent anti-burn-in, low voltage display, rms value, backlight display, on/off alarm, value lock13. Functions:- TA803A: analog bar display, average value measurement, diode measurement, triode measurement, NCV function- TA803B: diode measurement, maximum / small value measurement, temperature measurement, duty cycle / relative value- TA803C: analog bar display, diode measurement, temperature measurement, duty cycle/relative value14. Size: about 18.4 x 8.8 x 4.6cm15. Weight: about 320gFeatures:1. Soft rubber protective case + meter pen clip design, leather case can be drop-proof, dustproof, shockproof, meter pen can be stored for protection, to avoid accidental injury2. Back thickened bracket design, more convenient placement3. Flashlight lighting function, in the dark environment can also be easily measured4. Large screen backlight display, easy to read in the dark environment5. NCV voltage sensing function, according to the detected voltage strength, display and different frequency of the beeping alarm sound (only TA803A has)Packing list:- Host x 1- Meter pen x 2- Thermocouple x 2- Fuse x 2- Instruction manual x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 14cm * 7cm / 8.27inch * 5.51inch * 2.76inch Qty per Carton 30 Carton Weight 16.50kgs / 36.38lb Carton Size 44cm * 34cm * 43cm / 17.32inch * 13.39inch * 16.93inch Loading Container 20GP: 414 cartons * 30 pcs = 12420 pcs40HQ: 962 cartons * 30 pcs = 28860 pcs

Read more less