... 50,000 hoursWeight: 155g, Net Weight 110gLamp: the international standard E27 (screw) \ E14 \ B22 \ JU10, etc. and all kinds ... whiteLED angle: 180 degreesMatching lamps: lamp, ceiling lamp, lighting, access lighting, corridor lighting, restaurant lighting, living room lamps, etc.Applications: schools, factories, ... for 3-5 yearsBrightness: 270 lumens HIGH POWER SAVING LED LAMP 3W COMMERCIAL LIGHTING