... of 40,000 hoursImported sumsung ultra-high brightness LED chipLuminous efficiency, color consistencyShell is made of high ... buses, trains, warehouses, parking lots etc.Task lighting for cabinets, cupboards etc in your homes, restaurants, and kitchens ... shops.Back lighting for square billboards or advertisement boards.Illumination lighting for homes, offices, restaurants. 3W/5W R50 LED mushroom bulb