LED LIGHTING IS IN LOW POWER CONSUMPTION. E27 AND GU10 BASE FOR EASY REPLACEMENT. SPECIFICATION OF LED:1, Long lifespan: over 60,000h2, Wideth ... Use Only, Suitable for residential and commercial lighting, especially illumination of light sensitive objects in shop-windows, galleries, emporiums, meeting rooms, ... : Aluminum14, Operation Temperature: 0°---40°15, Lumens Decline: 3% in the first 1000hours