... IS IN LOW POWER CONSUMPTION. E27 AND GU10 BASE FOR EASY REPLACEMENT. SPECIFICATION OF LED:1, Long lifespan ... Cool White: 758, Diameter: ≤ 50.00 mm 9, Base Type: MR16/GU10/E2710, Application Environment: Indoors Use Only ... meeting rooms, exhibitions and so on. 11, Output power: 3 Watt, 4 Watt, 5 Watt12, Lumen: 240lm (6000k ... Operation Temperature: 0°---40°15, Lumens Decline: 3% in the first 1000hours