Energy Saving LED Light ( E27, GU10 ) Power : 3 x 1w / 1 x 3w Certificate : ... ) x 84mm (H)2. Material : Optical Lens + Die-casting Aluminium3. LED emitter : 3 x 1w, Taiwan Epistar 4. Life time : 35 ... , restaurants, schools, factories, hospitals, workshops and so on. 3W Energy Saving LED Light ( E27, GU10 )