Function : 1. This item can control the car ignition, reduce the power impedance, improve the ignition performance, start faster, more agile and increase the sensitivity of the car. 2. Installation of the power switch, can cut off the power of the whole car instantly, giving you unlimited driving enjoyment. 3. Applicable to professional racing cars, now some countries use common RV. 4 . It can be the key to turn on/off all kinds of electrical devices added to cars, such as flash lights, chassis lights, fog lights, dome lights, instant power outages and so on. 5 . Thanks to the simple design, easy to turn off in an emergency from any angle, even when wearing gloves, it will not turn off the vibration. Specification: Features : This item can control the car ignition, reduce the power impedance, improve the ignition performance, start faster, more agile and increase the sensitivity of the car. Installation of the power switch, can cut off the power of the whole car instantly, giving you unlimited driving enjoyment. This applies to professional racing cars, now common RVs are used in some countries. It can be the key to turn on/off all kinds of electrical devices added to cars, such as flash lights, chassis lights, fog lights, dome lights, instant power outages and so on. Thanks to the simple design, easy to emergency switch off at any angle, even when wearing a glove, will not turn off the vibration. Comes with a red illuminated engine start button, and the pre-drilled mounting holes are convenient for installation. Specification: Material : aluminum alloy and plastic Color: carbon fiber Operating voltage : 12V Working current: 400A Electric life: 50,000 times Size: shown as picture Package weight: approx. 424g / 15oz Fitment: for 12V and RV racing cars Package List: 1 x Ignition Switch Panel 2 x Wire 4 x screws 1. No installation instruction included, professional installation is highly recommended. 2.