Integrated power control This knob type car power switch combines positive and negative battery connections in one unit. The integrated design improves your vehicle's electrical system performance by streamlining power management and maintaining circuit stability across automotive applications. User friendly operation The intuitive rotating knob provides smooth control of the main power supply. Quick on/off operation with clear position indicators lets you manage electrical systems without tools or complicated procedures. Robust construction Made from grade ABS material, this battery switch is built to withstand automotive conditions. Its solid construction resists temperature variation and vibrations, maintaining consistent performance through regular use. Compact installation Dimensions: 14 x 9.5 x 9.5 cm. The black battery switch fits into limited spaces without compromising functionality, making it suitable for cars, trucks, and marine vessels where space matters. Use scenarios Car upgrades: or supplement the main power switch to improve power management and simplify control of aftermarket accessories. Trucks and vans: centralize battery connections and power control for critical systems in spaceconstrained environments. Marine applications: compact, durable power switch for boats where space and reliability are essential.