5 Pins Single Pole, Double Throw SPDT Changeover Relays. DC12V 100A 5-Prongs High-current welded connections for reliability. High 100A coil capacity- able to handle those high current applications with ease. 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, doors, trunk releases strobe lights, fog lights, stereos, fans, air horns, and much more. Specification: Material: Plastic and Metal Size: Approx 35mm*28mm Installing form: connection, socket mount Ambient temperature: -40C~+125C Environment Temperature: -40C~+125C Package Includes: 2 Pieces SPDT Relays(2 Pack) Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.