ITEM NAME:Waterproof integrated 12v 40A 4pin auto relay and relay holder A6Z5 Waterproof integrated 12v 40A 4pin auto relay and relay holder A6Z5 RELAY 12V 40A 4PIN With wire 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. Brand new premium heavy duty relays and sockets 1 relays and 1 sockets. 12 Volt 40 amp 4-prong relays Connectible interlocking sockets for a clean installation color: Black Material: ABS+Metal Line length: 14cm Package Contents: 1X12v 40A relay Only the above package content, other products are not included. 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.