Features TECHNICAL PARAMETERS: Compatible with top post terminals, suitable for 15-17mm conical battery negative posts in DC 12V systems. Rated for a current of 125A, with 2 positions for on or off, ensu reliable power control. FLEXIBLE KNOB: The knob type switch allows for easy installation and operation. Simply loosen or twist the knob to cut off power, providing convenient and efficient control of the electrical system. RUSTPROOF MATERIAL: Constructed from zinc alloy with a brass plated , ensu durability, rust resistance, and resistance. This guarantees long-term safety and reliability in various environments. REDUCE CONSUMPTION: Ideal for car batteries, this switch isolates and secures electrical systems, preventing power consumption when vehicles or boats are not in use. Effectively and safely disconnects batteries to reduce energy waste. USAGE SCENARIOS: Designed for use with car, vehicle, RV, and marine batteries featu standard 15-17mm tapered top post terminals. Also suitable for various electrical equipment, providing versatile application possibilities. Specification: Item Type: Top Post Battery Disconnect Switch Material: ABS, brass, zinc alloy Package List: 1 x Top Post Battery Disconnect Switch Package List 1 x Top Post Battery Disconnect Switch