Features： 1、Enhanced Safety: Intended to isolate and secure electrical systems, the switch eliminates any power consumption from the battery when not in use for added safety. 2、Long Lasting Material: The top post knife blade master switch is made of solid brass, the switch is rust proof, corrosion resistant, and long lasting, ensuring safe and reliable use. 3、High Compatibility: Suitable for DC 12V?24V systems, rated at 250A with a peak current of 750A, this switch is ideal for cars, RVs, boats, and electrical equipment. 4、Easy Installation: The DC12?24V battery isolator switch kit is designed for easy vertical installation, simply lift the knife to cut off the power supply. 5、Convenient Size: With dimensions of 112mm x 68mm x 48mm, this battery disconnect switch is compact and portable, making it perfect for various vehicles and applications. Specification： Item Type: Battery Isolator Switch Kit Material: Brass, nylon Rated Voltage: 12V Rated Current: 250A Instantaneous Current: 750A Installation Position: Battery Negative Pole Function: Preventing leakage, protecting power, cutting off power Fitment: Fits for Cars, RVs, Boats, Buses, Trucks, Tractors Package List： 1 x Disconnect Switch Knife 1 x Battery Cleaning Brush 1 x Red Battery Protection Mat 1 x Green Battery Protection Mat 1 x User Manual