The led evolution this gu10 is part of a new collection of bulbs that have taken leds to the next level so whats new each bulb comes with an equivalent halogen wattage every base is a standard fit so switching over is hassle free all bulbs are fully erp and ce compliant prices are lower than ever to give you unbeatable value same brightness less power save up to 168 from a single bulb the lumilife 5w gu10 consumes up to 90 less energy than a 50w halogen yet still boasts up to 37