Feature: 1. High Power Capacity: With a rated current of 300A, this battery disconnect switch can withstand high power loads, ensuring safe and reliable power cutoff and isolation. 2. Dual Circuit: This switch features a dual circuit design, allowing for simultaneous disconnection of positive and negative connections, effectively preventing electrical leakage and battery drain. 3. 4 Position Selection: The switch has 4 positions, allowing you to choose the appropriate position according to your needs, enabling easy operation and control. 4. Wide Applications: It is suitable for various boats, cars, trucks, trailers, and motorhomes, and can be used for applications such as power cutoff, anti theft, and battery maintenance. 5. Waterproof and Dustproof Design: The master switch is designed to be waterproof and dustproof, providing additional protection for long term reliable use. Specification: Item Type: Battery Disconnect Switch Color: Red Material: ABS + Brass + Iron Screw Specifications: M10x3 Maximum Operating Voltage: DC32VCurrent: 900A Cranking (30 sec) 500A Intermittent (5 min) 300A Continuous Switch Positions: 4 positions, off-1-(1+2)-2 Applicable Models: for RV Marine and Automotive Battery. Package List: 1 x Battery Disconnect Switch 4 x Screws