Mounting hole size:16/22 mm Head shape: Round Crust material: Plastic Operation temperature: -25ºC~+65ºC Terminal type: Screw terminal IP Class: IP45/IP65 Lamp type: LED Led color: Red, green, yellow, blue, white Led voltage: 6V, 12V, 24V, 110V, 220V, (Other voltages can be customized) Led life: 50,000 hours