1. Control your car's ignition, reduce power supply impedance 2. Improve ignition efficiency, improve the sensitivity of your beloved car 3. Easy to turn off in emergency under n any angle, even with gloves, and will not turn off due to vibration 4. This engine start switch is suitable for professional racing cars, but also available for DIY or other cars 5. Use as start switch, storage battery switch, explosion flasher switch or control chassis lamp, dome light, fog light, etc. Specification: Features: Control your car ignition, reduce power supply impedance. Improve ignition efficiency, improve sensitivity for your beloved car. Easy to turn off in an emergency from any angle, even with gloves, and will not turn off due to vibration. This engine start switch is suitable for professional racing cars, but also available for DIY or other cars. Use as start switch, storage battery switch, explosion flasher switch or control chassis lamp, dome light, fog light, etc. Specification: Material: aluminum, plastic, copper Color: silver, red Voltage: 12V LED color: red Size: 195*67mm/7.7*2.6in Compatibility: for professional racing car Package list: 1* ignition switch panel