Waterproof construction High 40A coil capacity- to handle those high current applications with ease Hundreds of uses include- kills, domelight supervision, trunk release, polarity change,power door lock/actuator control Change a low current output to high current,add ignition/accessory outputs, control motors/other electronics It is also suitable for automobile use for control, alarms, horn, headlight,etc Wire Specifications: White - Ground (85), Black- (30), Yellow- Trigger (86), Blue- Output (87a), and Red- Output (87) Color:black Material:ABS Size:10*5*5cm Package Contents: 1x Waterproof Integrated Automobile Only the above package content, other are not included. Note: Light 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.