Waterproof Locking Plug Lplg Accessory Lighter Use, to Go with Locking Sockets 12 Volt Operation At 10 Amps. Anti-vibration Waterproof anti-vibration. Works with all 12 Volt sockets but locks in place with a locking socket Rated at 12 Volts, 10 amps and fused Green LED power on indicator Screw wire contacts