Part number:PM121F-10DT/J/R/12V/S Install diameter:16mm Switch rating: 2A/36VDC Shape: Flat head Function: Momentary (1NO) Terminal: 4 Pin terminal Crust material: stainless steel LED color: illuminated power symbol, the color have: Red,blue,Green,Yellow,White,Orange Voltage:  from 1.8V to 48V IP rating: IP65 Temperature: - 40 to 75 Degree