Features: 1.Professional production equipment creates high quality, you can buy it with ease. 2.Made of high quality stainless steel, waterproof and can be used in wet or dusty enviroment. 3.Easy to install ,you can install it within a few minutes, very convenient. 4.It is great for electronmagnetic starter, relay, horn button switch,car modification, the host computer keys, buttons and instruction button appliances. 5.It is a durable switch made of industrial strength copper and nickel components, and its metal button head can withstand longstanding press, pretty durable in using. Specification: Specification: Condition: Brand New Head Diameter:22mm. Button Diameter: 13mm. Hole size required: 0.74''/19mm. Depth inc contacts: 40mm. Operation Type: Self-Reset Switch Contact Configuration: 1NO 1NC. Package List: 1 * Blue LED Push Switch(Without connector) Notes: This item does not include the blue part of the shell. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid. Please allow 1-2mm differences due to manual measurement. PackageList: