Part number:PM221F-11 with any symbol Install diameter:22mm Switch rating: 5A/250VAC Shape: Flat head Color: Blue,RED,Green,Yellow,White,Orange Voltage: from 2.8V to 250V Function: Momentary (Push on release off) or Latching (Push on, push again off) Terminal: Pin terminal Crust material: Stainless steel body illuminated button with symbol IP rating: IP65 Temperature: - 40 to 75 Degree