Product DescriptionThe power supply: 12VModule size: 5.3 x 3.2cm/2.09 x 1.26inchAccording to the board of the for key, or an external button to make the relay module to attract or disconnect, click on the pull, and then press the button to disconnect, low level trigger. Power on again when the relay is in off state.The secondary output end of the relay to withstand the maximum current is 10A, that is the maximum working current cannot be accused of a circuit or device is greater than 10A, according to their own needs to be connected to the normally open or normally closed terminal.No retail package Package inlcludes:1Pc x 12V Bond Bistable Relay Module Car Modification Switch Start Stop Self-Locking