ITEM NAME:2x Waterproof Integrated Automobile Relay 12V DC 40A 4PIN AUTO CAR RELAY So U3Z3 2x Waterproof Integrated Automobile Relay 12V DC 40A 4PIN AUTO CAR RELAY So U3Z3 Relays and sockets are used for many car electronic applications to turn on/off almost any device. They are also used when a device draws heavy amperage such as car alarms, remote starts, HID headlights, pop doors, trunk releases strobe lights, fog lights, stereos, fans, air horns, and much more. Color: Black Size: 5.5 x 4 x 3.5cm Material: Plastic+Metal Wire length: 9.4cm Voltage: DC12V/40A Power: 1.6W Prong relays: 4 Package Included:2 x Automobile relay 1 x Bracket Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.