Features: The screw feet are easy to connect, more convenient, the base is made of flame retardant material, and the service life is long Easy to operate: Easy to install, screw foot link terminal, easy to install Application: It is suitable for circuit control of automobiles, trucks, home appliances, mechanical equipment, power switches, etc. Specifications Product name: Mushroom head button switch Installation aperture: 16/19/22mm Protection class: IP65 Material: Aluminum alloy/304 stainless steel switch, silver alloy contacts Size: Overall length: 28/36/35.5mm, head length: 23.5/27.5/30.5mm, hole size: 16/19/22mm Switching voltage: 1.5V-250V/AC/DC Working form: self repeating Switch combination: 1NO (1 on) Mechanical life: reset type 50W times Switching current: 3MA-3A Working environment: -30 C~+80 C Contact resistance value:50M Pressure resistance strength: 1900VACMIN Color: Red Packaging: 1PC Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much.