Description: Including 5pcs relays and 5pcs pre-wired relay sockets and 5pcs blade fuses. High capacity of 30A contact - able to handle those high current applications with ease. Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change,power door lock/actuator control, change a low current output to high current,ignition/accessory outputs, control motors/other electronics. It is also suitable for automobile used for control, alarms, horn, headlight and more.... Specification: Coil?24VDC Contact load: 14VDC 30A Coil resistance: 320(1 ±10%)? Heavy duty SPST relays 30 amp 4-prong relays , Interlocking relay sockets Size: Approx. 32.5*25.2*21mm/1.3*1*0.8 Inch Material: Plastic+Metal Package Includes: 5 Pieces Relays 5 Pieces Relay Sockets 5 Pieces Blade Fuses