This car relay is small but widely used in car control device. It has automatic adjustment, security protection, conversion circuit and other functions in the car circuit. The relay can be used in car modification, GPS off oil off power, car anti-theft system, automotive control system and so on. Features - ColorBlack - Material: plastic. - Size: 10x6x4cm - : 40A. - Coil power supply: 220VAC - Rated : 40A-80A. - switching : 40A - composite housings that can protect against harsh temperatures and under hood conditions. - Relays and sockets are used in many automotive electronics applications and can turn almost any device on/off - It has automatic adjustment, security protection, conversion circuit and other functions in the car circuit. - Can be used in car modification, GPS off oil off power, car anti - theft system, automotive control system and so on. - Also used when pulling out heavy , such as car alarm clock, remote start, headlights, bounce out, trunk release strobe lights, fog lights, stereo, fan, air horn, etc Package list: 1 set of relay socket