This is a spotlight bulb suitable for use in domestic or commercial environments. This LED lamp offers a 90% energy saving in comparison to conventional halogen GU10 lamps. The main features of the LED Spotlight bulb are: 5 Watts GU10 Cap 240V 4000K Cool white colour 400 Lumens. Average life expectancy of 30,000 hours. Internally fused for safety Dimensions (H) 54mm X (DIA) 50mm.