1Control the ignition of the car, reduces the impedance of the power supply and improves the ignition efficiency. 2Make the acceleration and starting smoother, increase car sensitivity. 3Installing a power-off switch can instantly cut off the power of the entire car, pursues the feeling of driving a racing car, bring you unlimited driving pleasure. 4Easy to install, no complicated tools required, convenient for using. 5Practical accessory suitable for RVs, dirt bike vehicles and professional racing car.1 x Engine Start SwitchCondition: Item Type: Engine Start SwitchMaterial: Aluminum Alloy, PlasticOptional Color: Red, Blue, GreenVoltage: 12V 50A (universal)Scope of Application: Suitable for RVs, dirt bike vehicles and professional racing car 1Control the ignition of the car, reduces the impedance of the power supply and improves the ignition efficiency. 2Make the acceleration and starting smoother, increase car sensitivity. 3Installing a power-off switch can instantly cut off the power of the entire car, pursues the feeling of driving a racing car, bring you unlimited driving pleasure. 4Easy to install, no complicated tools required, convenient for using. 5Practical accessory suitable for RVs, dirt bike vehicles and professional racing car.1 x Engine Start Switch