Product description
5V 2 Channel Relay Module For Arduino Optocoupler Isolated Low Level Trigger 2-Way Control Perfect For Automation Projects
2 Channel relay module with opto
1 Dimensions: 50.5mm (length) * 38.5mm (W) * 18.5 (H)
4. board four weeks with four screws holes, hole diameter 3.1mm, easy to install and fixed
5. relay of high quality loose music relays SPDT. A common terminal, a normally open, one normally closed terminal
6. optocoupler isolation, good anti-jamming
7. low pull, high release. Energisation status indicator light, release status LED is off
8.VCC of system power, JD_VCC relay power. You can plug in jumpers
Supply voltage: 5VDC, 12VDC
Load: 250V 10A AC or 30V 10A DC
VCC: positive power supply system
GND: System power negative
IN1 - IN2: relay control ports