Working voltage:DC 6-24V Working current:60-70MA Standby current:1UA Load current :AC 250V/10A,DC 30V/10A Trigger mode:Low trigger This is a bistable (-) relay module,Trigger once, the relay pull (and holds);Trigger again, the relay releases (and holds) Module interface: 1.VCC: power supply (VCC) 2.GND: negative power supply (GND) 3.T: Low trigger Relay outputs: 1.NO: normally open relay interface 2.: Common Interface Relays 3.NC: normally closed relay interface USE : By default, the relay is release, press the trigger button, the relay pull, press again, the relay release, the third press, the relay pull, and so on Typical applications: MCU development board Automotive electronics Industrial equipment Emergency lighting Toy car Motor LED Size:4.8x1.1cm/1.89x0.43inch Colour:As shown Material:PC+Metal Package Contents: 5x 6-24V Flip-Flop Latch Relay Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.