Features: 【Remote Battery Disconnect Switch】Car battery disconnect switch enables you to off your car battery power with remote control, which can help to away battery drain and protect the circuit. Also disconnect the power of your car to extend and protect the life of your battery and engine. 【High Current】Remote battery isolation switch rated current 500A, rated voltage 12V/24V. This battery cut off switch is specially designed for large displacement vehicles, such as engineering vehicle, truck, RV, trailer, and and most cars. 【Stable and Reliable】This car battery disconnect switch has 2 keys (distance up to 160 feet) to disconnect your car's power. Just press the remote control button to disconnect your car power system, easy to use. It comes with 1 or 2 remote control from lost, improve safety and reduce the risk of vehicle theft. 【Premium Material】Battery disconnect switch made of pure copper coil, purple copper terminal, strong conductivity, fire retardant shell, insulation and high temperature resistance, stable performance. 【Widely Used】Remote control automative battery accessories are compact size, widely suitable for automotive industry, household appliances, automation equipment, power plant,ect. Specifications: Type: 12V with 2 Controls / 12V with 1 Control / 24V with 2 Controls / 24V with 1 Control (optional) Material: Fire retardant shell Voltage: 12V / 24V (optional) Rated Current: 500A Power: 7.2W Working Temperature: -30℃ to +70℃ ContactLoad: 14VDC Item Weight: 150g / 5.3oz Package Size: 100 * 100 * 150mm / 3.9 * 3.9 * 5.9in Package Weight: 200g / 7.0oz Packing List: 1 * Battery disconnect switch 1 * Remote Control or 2 * Renmote Controls 2 * Protective Case 2 * Copper Connector 1 * User Manual