Most efficient g4 consuming just 1w of power this g4 is a great energy saver replace 10w halogen equivalents and reduce consumption by up to 90 for when space is at a premium thank to its size you can place this g4 in awkward or small areas like under cabinets or in corners extra long lifespan enjoy a better quality of light over a longer period of time this bulb comes with a 25 000 hour lifespan which is 20 times longer than halogen models this is why we offer a 5 year warranty gi