Our best low energy spotlight bulb!Using the latest in LED technology, Crompton Lamps have released one of the UK's most energy efficient light bulb ranges yet. Designed to surpass all requirements of the new ERP energy requirements; these energy saving GU10 bulbs achieve the highest A rating possible with an amazing performance of over 210lm/W - meaning these low wattage spotlights are more than 60% more efficient than regular LED light bulbs.At only 1.9W, this LED GU10 spot light bulb could be one of the best LED light bulbs released to the market to date. It has been developed by Crompton Lamps as the most efficient way for replacing halogen GU10 light bulbs.Each light bulb in the range delivers massive cost savings due to it's low energy coupled with the same retro styling of old style light bulbs.These ultra efficient light bulbs output a relaxing 3000K warm white colour with great colour rendering and no colour casting (as seen in the first generation of ultra-efficient LEDs).Whe