Part number:PM251F-11E/B/12V/A Install diameter:25mm Switch rating: 5A/250VAC Shape: Flat head Color: Blue,RED,Green,Yellow,White,Orange Voltage: from 2.8V to 250V Function: Momentary (1NO1NC) or Latching Push on, push again off. Terminal: Pin terminal or 15cm cable wiring Crust material: Black aluminium IP rating: IP65 Temperature: - 40 to 75 Degree