【Operation】 2-hole battery cut off switch for DC 12V 24V system, 2-position ON/OFF, continuous current: 200A 12V. Starting current: 1000A 12V. It is recommended to install it on the negative terminal of the battery. 【Waterproof and protective cover】 The waterproof battery switch isolation switch comes with 2 keys and 2 waterproof covers on the top. It's nice to have a tight fit, reducing battery consumption and theft. The waterproof cover can better protect the keyhole and prevent rain or dust from entering. 【No battery discharge】 Use the on/off switch to quickly disconnect and reconnect the battery. The power supply can be cut off during maintenance work, and the battery is protected from excessive discharge. Effectively protect your vehicle from unnecessary power consumption. 【Durable material】 The car battery cut off switch is made of high-quality copper and plastic. High-quality copper can improve conductivity and stability and reduce losses. High-quality plastic material protects