Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi.

Specification: 1. Dimensions: 50. 5mm * 38. 5mm * 18. 5mm 2. Weight: 31g 3. PCB color: black 4. board around with four fixed screw holes, hole diameter 3. 1mm, easy to install and fixed 5. Relay selection of highquality loose relay, singlepole doublethrow. A common end, a normally open end, a normally closed end 6. Optocoupler isolation, good antiinterference 7. Low level pullin, highlevel release. Pull the status indicator light, release the status indicator is off 8. VCC for the system power, JDVCC for the relay power. Plug in the jumper cap Electrical parameters: Supply voltage: 5VDC Current: Larger than 100mA Load: 250V 10A or 30V 10A DC Wiring instructions: VCC: The system power is positive GND: Negative pole of the system power supply IN1 IN2: Relay control port Package Included: 5PCS X 5V 2 Channel Relay Module.