1. This products are suitable for professional racing car use. 2. Racers use them to activate ignitions, boost, fans, the military fire missiles, you can control lights, winches, NOS systems, class A amp fans, computer LED's, and more! 3. Widely use: can be use as a switch for various additional electric equipment inside outside the car. Connector type SPST, 2 terminal pin onoff. Rating 12V20A2 Pole Safety cover Red aircraft safety cover prevents accidental start Easy to use and install Open the red cover, toggle the switch to on. Close the red cover to off the switch directly. Mounting hole diameter 12mm. Each of the terminals has a machine screw for quick connections, but also easy to be soldered. Widely used Suitable for almost any motorized vehicle such as cars, trucks, boats, ATVs, olives, airplanes, race cars, golf carts or any off road vehicle. Package includes 5 PCs toggle switch, 5Pcs Red Cover..