Knightsbridge 5W LED GU5.3 MR16 Bulb The 5 Watt COB LED MR16/GU5.3 Lamp by KnightsBridge is available in Cool White (MRCOB5CW) or Warm White (MRCOB5WW) Colour Temperatures. It is an ideal replacement for a typical MR16 Halogen Lamp. The lens is specifically manufactured to create an appearance of a halogen lamp with the Warm White producing 400 lumens and the Cool White producing 440 lumens. Main Features: 5 Watt COB LED A Energy Rated Rated average hours life (subject to usage) 30,000 Hours 45 Degree beam angle IP20 Rated Extremely low heat output Suitable for dimming with a 12V DC Constant Voltage Dimmable Transformer. Technical Specification: Location: Indoor or Outdoor in suitable luminaire Dimming: Dimmable with 12V DC constant voltage Dimmable driver Rated average hours life: 30,000hrs Beam angle: 45° Lumen output (Lm): CW-440 lm WW-400 lm Colour temperature (K) CW - 4000K WW - 3000K Voltage (V) 12V AC/DC Running current