Feature: 1. Product Information: Battery master disconnect isolator rated current is 300A, maximum current is 1000A, universal fits for 12V ‑ 60V batteries. 2. Wide Using: Battery power cut master switch is widely used for cars, vans, RVs, trucks, yachts, marine boats, ships. 3. Performance: Isolates and protects the electrical system, eliminating any power draw from the battery when the vehicle is not in use, safely disconnecting the battery. 4. Features: Cut off instantly and provide a reliable way to turn off power during maintenance. Compact size, fashion and modern appearance. 5. Application: The switch can be used extensively as the on or off key of all kinds of electrical equipment, such as flash, chassis lamp, fog lamp, top lamp etc. added inside and outside the vehicle. Specification: Item Type: Battery Master Disconnect IsolatorMaterial: Aluminum and metalRated Current: 300AMaximum Current: 1000AProduct Voltage: 12V ‑ 60V Application: Suitable for cars, RVs, yachts, trucks, engineering vehicle . Package List: 1 x Battery Master Disconnect Isolator2 x Power Cords2 x Protecting Bushs