Specifications: Universal for 12V power speediness & racing cars. LED toggle switch, convenient and safe. For racing car use only, perfectly for car modification. Red engine start button with 3 toggle switch for additional use. Built in indicate light in ON/OFF switch and start button. Come with the Relay to control the buttons of this item. Pre-drilled mounting holes design is convenient for installing. The starting switch is the ignition switch of the engine, it can reduce ignition delay and reduce acceleration delay. Three toggle switch built-in lights, switch can control three additional load, each switch can control 20Amp circuit. Professional installation is highly recommended. Item Name: Car Switch Material: Metal + Plastic Current & Voltage: 30A 12V Size: 19.5cm x 6.7cm/7.68" x 2.64" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Switch 1 x Relay 1 x Start Key 1 x Cover 3 x Wires(Red+Blue+Black) 4 x Screws