Single Channel Relay Board is a simple and convenient way to interface a relay for switching application in your project. Specifications Input supply 12VDC @ 42 mA On Board 5V Regulator provides 5V output Output SPDT Relay Relay specification 5 A @ 230 VAC Trigger level 2 ~ 9 VDC Header connector for connecting power and trigger voltage Relay operations status LED Power LED Tiny Design Screw terminal connector for easy relay output connections [ ]