Mechanical life cycles of 10000+ 80A high coil capacity capable of handling current applications. Hundreds of uses include: starter, dome light monitoring, trunk release, polarity, lock/actuator, changing a low output ignition/high current accessory, adding other products, car electronic control, horn, etc... color: black Material: ABS + metal size: 6 x 6 x 5cm Package Contents: 5 x Relay 5 x User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.