〓Durable Metal Button Head Is Made Of Stainless Steel, The Exterior Is Shiny And Does Not Rust, It Is Tough And Durable. A Unique Luminous Ring Light Pattern Helps You Navigate In The Dark. 〓Copper Parts Are Gold-Plated Antennas For Better Electrical Conductivity. Worked For Various Additional Electrical Equipment, Both Inside And Outside The Car. 〓 With Waterproof Rubber Ring, Have Good Waterproof And Dustproof Performance, Ideal For Outdoor Use. 〓These On/Off Switches Come With A 4-Pin Wire Terminal With Power Plug, Don'T Need Soldering, Make Your Job Easier! The Led Light Can Be Always On Or On When The Device Is Working, It Depends On How You Connect The Wire. 〓 This Push Button Switch Is The Best Choice For Door Bell, Motorcycle Upgrade Car Horns, Boat Horns, Auto-Start Switches And Other Applications Where Temporary Activation Of Electrical Power Is Required.