3pcs 1 Channel 12V Relay Module Solid State Low Level Trigger 240V2A Geekcreit for Arduino - products that work with off

Specification Input Power Supply 12V DC Load Voltage AC240V 2AMaximum operating current 13 8mATrigger mode low levelInput control signal voltage 0 2 5V low state relay OFF 3 3 5V state high relay ON Blue KF301 terminal connection control line is more convenient Module interface DC positive power supply by relay voltage power supply DC connect power negativeCH Relay Module signal triggering end Low level trigger effective Note Power must be DC voltage and need to be consistent with the voltage relay Package Included 3 x Low Level Relay Module