Search results for "security electronics"

1. This product is a high-performance, highly integrated microcontroller development board independently designed by Waveshare. Within its compact form factor, it integrates peripherals including a 3.5-inch capacitive HD IPS display, highly integrated power management IC, low-power audio codec, camera interface, 6-axis IMU (3-axis accelerometer + 3-axis gyroscope), RTC, and Micro SD card slot, facilitating development and product integration. 2. Features Raspberry Pi-designed RP2350B microcontroller chip 3. Unique dual-core/dual-architecture: Dual ARM Cortex-M33 cores + dual Hazard3 RISC-V cores, both operating at up to 150MHz, enabling flexible architecture switching 4. Built-in 520KB SRAM and 16MB on-chip Flash 5. Type-C interface eliminates orientation concerns 6. Onboard 3.5-inch capacitive touch HD IPS screen with 320 × 480 resolution and 65K colors for clear image display 7. Integrated ST7796 display driver and FT6336 capacitive touch controller using SPI and I2C interfaces respectively, minimizing pin consumption 8. Camera interface compatible with mainstream modules (e.g., OV2640, OV5640) for image/video capture 9. Onboard 3.7V MX1.25 lithium battery charge/discharge interface 10. USB 1.1 host/device support 11. Low-power sleep/hibernation modes 12. Programmable via drag-and-drop when recognized as USB mass storage 13. 22 multifunctional GPIO pins: 2×SPI, 2×I2C, 2×UART, 7×12-bit ADC, 18×PWM channels 14. Precision on-chip clock/timer modules 15. Built-in temperature sensor for real-time chip monitoring 16. 12 programmable I/O (PIO) state machines for custom peripheral supportSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 14cm * 10cm * 5cm / 5.51inch * 3.94inch * 1.97inch Qty per Carton 48 Carton Weight 5.90kgs / 13.01lb Carton Size 30cm * 42cm * 32cm / 11.81inch * 16.54inch * 12.6inch Loading Container 20GP: 661 cartons * 48 pcs = 31728 pcs40HQ: 1535 cartons * 48 pcs = 73680 pcs

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1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs

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1. Uses the SP3485 chip controlled via UART; supports automatic transmit/receive switching for RS485 half-duplex communication.2. Uses the MCP2515 + SN65HVD230 combination controlled via SPI; enables CAN half-duplex communication.3. Features onboard integrated power isolation, providing stable isolated voltage without the need for an external power supply on the isolated side.4. Includes onboard optocoupler isolation to prevent interference from external high-voltage relay circuits affecting the main control chip.5. Equipped with onboard TVS (Transient Voltage Suppressor) diodes to effectively suppress surge voltages and transient voltage spikes, offering lightning and ESD protection.6. Features onboard resettable fuses and protection diodes to ensure stable current and voltage output, protect against overcurrent and overvoltage, and enhance surge resistance.7. Uses high-quality relays; supports loads up to 10A 250V AC or 10A 30V DC.8. Housed in a DIN-rail mountable ABS protective case for convenient installation and safer operation.Specifications:1. Power supply voltage: 7V–36V2. Number of relay channels: 63. Communication protocols: RS485, CAN4. Contact type: One Normally Open (NO), One Normally Closed (NC)Specification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 17cm * 11cm * 5cm / 6.69inch * 4.33inch * 1.97inch Qty per Carton 9 Carton Weight 30.80kgs / 67.90lb Carton Size 32cm * 32cm * 47cm / 12.6inch * 12.6inch * 18.5inch Loading Container 20GP: 554 cartons * 9 pcs = 4986 pcs40HQ: 1286 cartons * 9 pcs = 11574 pcs

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1. Basic Functions: Provides bidirectional transparent RS485-to-Ethernet conversion 2. Communication Interfaces: 4x RS485, 1x Ethernet port 3. Power Supply: Standard Ethernet port: DC 6–45 V via terminal blocks; PoE Ethernet port: DC 6–45 V via terminal blocks or PoE 4. Isolation Protection: Power isolation, signal isolation protection 5. Communication Interfaces:- Ethernet: Standard Ethernet port / PoE port, supports the IEEE 802.3af standard, 10/100M auto-negotiation RJ45 port, 2 kV surge protection - Serial Port: Isolated RS485 (4 channels can operate simultaneously and independently for transmission and reception) 6. Operating Temperature: -40 to 85 degrees Celsius7. Humidity Range: 5%–95% relative humidity8. Dimensions: Approx. 9.1 x 6.45 x 2.42 cmSerial Port Parameters:1. Baud Rate: 300–115,200 bps 2. Parity: None, Odd, Even, Mark, Space 3. Data Bits: 5–9 bits 4. Flow Control: No flow controlSoftware:1. Protocols: Ethernet, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS 2. Configuration Methods: Host computer configuration, web browser, device management library 3. Communication Methods: Direct TCP/IP communication, virtual serial port mode 4. Operating Modes: TCP server, TCP client (with TCP server mode coexisting), UDP mode, UDP multicast Features:1. Four RS485 channels can operate simultaneously without interfering with one another, enabling more efficient data transmission2. Combines multiple functions—including serial server, Modbus gateway, MQTT gateway, and RS485-to-JSON conversion—allowing this module to play a vital role in various network environments3. The power interface uses terminal block-style power connection, ensuring a stable power supply4. The housing is designed for both wall-mount and DIN-rail mounting, facilitating easy installation and enabling rapid deployment and expansion of the deviceSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 15cm * 11cm * 5cm / 5.91inch * 4.33inch * 1.97inch Qty per Carton 50 Carton Weight 10.80kgs / 23.81lb Carton Size 48cm * 31cm * 25cm / 18.9inch * 12.2inch * 9.84inch Loading Container 20GP: 716 cartons * 50 pcs = 35800 pcs40HQ: 1664 cartons * 50 pcs = 83200 pcs

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1. Shell material: ABS2. For Ditec GOL4C; BIXLG4; BIXLP2; BIXLS23. Frequency: 433.92Mhz4. Power supply: CR2032 button battery5. Transmission distance: 100m (open area)6. Easy installation, reliable performance, features rolling code for easy programming, quick and simple operation. Please note that the remote control requires pairing for use.7. Long service life, compact size, easy to carry8. Note: This is a replacement part, not an original accessory. Please confirm carefully before purchasing.Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 5cm * 3cm / 3.15inch * 1.97inch * 1.18inch Qty per Carton 462 Carton Weight 24.20kgs / 53.35lb Carton Size 50cm * 37cm * 35cm / 19.69inch * 14.57inch * 13.78inch Loading Container 20GP: 411 cartons * 462 pcs = 189882 pcs40HQ: 956 cartons * 462 pcs = 441672 pcs

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1.Built-in multiple protection to protect your device. 2. LED screen, know the charging status in real time. 3. 3 in 1 design, charge 3 devices at the same time. 4. Plastic metal fireproof material.multiple security protections letting you feel safe to use. 5. Specification: - Type-C1 Output: 5V 3A, 9V 3A, 12V 3A, 15V 2.4A, 20V 1.8A, 36W(Max) - Type-C2 0utput: 5V 3A, 9V 3A, 12V 2.5A, 15V 2A, 20V 1.5A, 30W(Max) - USB Output: 4.5V 5A, 5V 4.5A, 9V 3A, 12V 2.5A, 30W(Max) - Total output: 66W (Max) - Voltage: 12-24VSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 20cm * 12cm * 5cm / 7.87inch * 4.72inch * 1.97inch Qty per Carton 80 Carton Weight 5.20kgs / 11.46lb Carton Size 52cm * 50cm * 42cm / 20.47inch * 19.69inch * 16.54inch Loading Container 20GP: 244 cartons * 80 pcs = 19520 pcs40HQ: 566 cartons * 80 pcs = 45280 pcs

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1. Full angle display2. Overload alarm3. Power threshold setting4. Reset the battery5. Save after power off6. Measure voltage, current, power, electricity7. Set button, backlight button8. Dimensions: 67x57.5mm9. Unit weight: 0.12kg10. Measuring range: 80-26011. Power supply voltage: 260 (V)Specification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 194 pcs = 34338 pcs40HQ: 412 cartons * 194 pcs = 79928 pcs

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Specifications: 1) Product Name Female to 5 Male Plug DC Power Cable 2) Material(External) Plastic 3) Color: Black 4) Power Plug Type: 5.5 x 2.1mm 5) Total Length Approx: 42cm 6) Weight: 42g 7) Package Content 1 x DC Power Female Plug Cable Description: Applied to CCTV surveillance system connection between DC power supply and CCTV devices. Features: 1) 1 Female plug to 5 Male plug connector. 2) DC Power Plug with plastic construction and strain relief.Specification: Package Weight One Package Weight 0.07kgs / 0.14lb One Package Size 14cm * 14.5cm * 1cm / 5.51inch * 5.71inch * 0.39inch Qty per Carton 200 Carton Weight 10.50kgs / 23.15lb Carton Size 42cm * 32cm * 30cm / 16.54inch * 12.6inch * 11.81inch Loading Container 20GP: 661 cartons * 200 pcs = 132200 pcs40HQ: 1535 cartons * 200 pcs = 307000 pcs

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1. Strong magnetic adsorption, can be attached to the desk and chair, file cabinet and other places, easy to use2. Silent work, quiet and no disturbance when recording3. Power saving, low power/no power state automatically save the recording data4. Clip design, clip in the pocket, bag, listen to music/record both5. OTG connection to Android phone can be played directly6. Support recording data file encryption, body password setting encryption, double protection to prevent data theft7. Recording files are divided and saved, set the division time in advance, and automatically save the files for quick search and analysis8. Voice-activated recording, sound recording on, no sound recording stops, saving memory and battery power9. Can be recorded while plugging in headphones to record real-time control of the recording effectParameters:1. Body material: titanium alloy one-piece casting2. Recording format: WAV3. Battery capacity: 150mAh4. USB connection: DC3.5 to USB5. Sampling rate: 48kHz6. Bit rate: 192kbps7. Recording time: 68 hours of continuous recording; standby time: 384 hours8. Size: 5.5 x 2 x 0.5cm9. Weight: 15gSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 48cm * 32cm / 18.5inch * 18.9inch * 12.6inch Loading Container 20GP: 369 cartons * 100 pcs = 36900 pcs40HQ: 857 cartons * 100 pcs = 85700 pcs

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1. Material: ABS2. DC voltage: 0.8V-1000V3. AC voltage: 0.8V-750V4. AC/DC current: 0mA-10A5. Resistance: 0Ω-60MΩ6. Capacitance: 0.0mF-100.0mF7. Count: 60008. Automatic shutdown: the meter will automatically shut down after 15 minutes of inactivity to save power.9. Comfortable grip with anti-slip textured design for easier measurement; ergonomic design.10. High-definition backlit screen ensures clear visibility in complex environments; flashlight illumination eliminates the fear of not being able to see the measurement location.11. The meter is powered by a built-in 3.7V lithium battery and comes with a TYPE-C charging cable.12. Switch to LIVE mode and use the red probe to measure. When it touches the live wire, a progress bar will appear on the screen, accompanied by a beep; the neutral wire will not react.13. Connect the positive and negative terminals of the temperature wire to the instrument, and touch the other end to the object being measured. The real-time temperature will be displayed, providing clear data and easy operation.14. Switch to the NCV setting. When AC voltage is detected, a beeping alarm will sound; the closer the object, the more rapid the alarm.15. Dimensions: 14.5 x 7 x 1.9 cm16. Weight: 162gSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 72 Carton Weight 30.30kgs / 66.80lb Carton Size 47cm * 34cm * 32cm / 18.5inch * 13.39inch * 12.6inch Loading Container 20GP: 521 cartons * 72 pcs = 37512 pcs40HQ: 1210 cartons * 72 pcs = 87120 pcs

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1. 800 x 480 high resolution,Resistive touch control 2. Supports Raspberry Pi 3. Supports popular mini-PCs like Raspberry Pi, BB Black, etc. 4. Not only for mini-PCs, it can work as a computer monitor just like any other general HDMI screen 5. Backlight can be turned off to lower power consumption Specification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 15cm * 10cm * 2cm / 5.91inch * 3.94inch * 0.79inch Qty per Carton 90 Carton Weight 21.80kgs / 48.06lb Carton Size 32cm * 32cm * 32cm / 12.6inch * 12.6inch * 12.6inch Loading Container 20GP: 813 cartons * 90 pcs = 73170 pcs40HQ: 1889 cartons * 90 pcs = 170010 pcs

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1. Automatically recognize and measure according to different input voltage/current/resistance/etc.2. It has the characteristics of stable performance, high accuracy and clear reading3. Other practical functions with flashlight and non-contact voltage test4. Display: 6000 count display5. DC voltage range: 0.5V~600V6. AC voltage range: 0.5V~600V7. AC current range: 20mA / 10A8. DC current range: 20mA / 10A9. Resistance measurement range: 0.1~50 ohm10. Display type: digital display11. Flash, backlight, automatic power off, NCV test, TRUE-RMS, data retention12. Sampling rate: 3 times per second13. Power supply: 2 x 1.5V AAA batteries (not included)14. DC/AC voltage: 6V / 60V / 600V+/- (0.5% + 3)15. Resistance: 600Ω/ 6kΩ/ 60kΩ/ 600kΩ/6MΩ± (0.8% + 3), 60MΩ +/- (2.5% + 3)16. Capacitance: 10nF / 100nF / 1uF / 10uF / 100uF / 1mF / 10mF +/- (3.5% + 20) +/- 60mF (5% + 3)17. AC/DC current: 6A/10A+/-(2%+30)18. Packing list:1 x digital multimeter1 x test lead1 x English user manualSpecification: Package Weight One Package Weight 0.18kgs / 0.39lb One Package Size 20cm * 15cm * 4cm / 7.87inch * 5.91inch * 1.57inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 32cm * 42cm / 20.47inch * 12.6inch * 16.54inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 pcs

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