Features: Used to isolate and secure the electrical system, helping to eliminate power draw from the battery when a vehicle or boat is not in use. Safely disconnects the battery. This master battery cutoff switch is compatible with top post batteries and works with a wide range of vehicles, including cars, boats, trucks, RVs, and jet skis. Knife blade type design for easy installation and simple operation. When the vehicle is not in use or stored for long periods, simply lift the lever to disconnect the battery. Adjustable mounting via the bottom screw to configure as either a vertical or horizontal knife switch. Specifications: Material: Copper Size: Approx. 9.2 x 7.6 cm (3.62 x 2.99 in) Rated Current: 250A (12V) Instantaneous Current: 750A (12V) Net Weight: 250g Note: Please allow 1mm error due to manual measurement. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package Includes: 1 x Battery Disconnect Switch