Material: Made of high quality metal material, high temperature resistant, durable and waterproof, 100% high quality material, extend the life of the ignition switch. Easy to install : The universal ignition switch is simple and elegant in design, easy to install and disassemble, no complicated steps are required, and it is perfect for panel holes with a diameter of 19mm. PERFECT SIZE: Dimensions: Length : 5.5cm/2.16", Diameter: 3.5cm/1.37", it can be perfectly mounted on boat or vehicle. The ignition key switch is designed with a reliable ignition switch locking mechanism. 3 Functions: The 12V universal engine start switch has 3 functions, can be used as an on, off or start switch with 2 buttons attached for better experience. Application: This key ignition switch is used to start the vehicle's 12 volt engine, which is widely used in cars , motorcycles, boats, trailers or other vehicles that need to replace the ignition switch.