Application of Battery Disconnect Switch Remote Kill SwitchWidely use for Car, RV, Tralier, Truck, ATV, UTV, SUV, Camper, Boat, Marine, Agricultural Vehicle etc.Specification of Car Battery Remote Disconnect Color: Black Material: Metal Voltage: DC 12V Load Current: 250A (Do Not Overload) Relay Size: 7.3x4.5cm / 2.87''x1.77" Function of Remote Battery Disconnect Switch Help to stop car battery power, prevent battery drain and protect the circuit, or prevent car from stolen. Come with 2 remote key fob provide up to 160 ft remote control to disconnect the car power, no need to close to car. Wiring Digram of Battery Disconnect Switch Remote Control Relay pin 30 connect to car negative cable while relay pin 87 connect negative pole of car. Black wire connect with pin 85 to negative"-", Red wire connect with pin 86 to positive "+". Note the 85,86 control terminal can not connect the opposite or will damage the internal receiver module. Please replace DC24V relay if use with 24V Product. Features of Remote Battery Isolation Switch Adopt with copper material, provide durable negative and positive wire connection. Reliable copper terminal for better connection, anti rust or corrision. Sturdy copper nose help to better connect this switch to your car battery, convenient for the usage. Package Included: 1x Car Remote Battery Disconnect Relay 2x Remote Key Fob, 2x Copper Nose 2x Connect Wire, 2x Metal Clamps 2x Copper Fitting, 2x Copper Nut 1x User Manual