1110-130v/ 220-240v 50/60hz 2E27 or E26 base 3 75% real power,85% real power have... 4T5/T9 circular lamp 22/32/40W Features: 1.High efficiency2.Long Lifespan:>8000h3.Low energy consumption4.High Lumens output and CRI >705.High quality of halogen and triphosphor powder6.CE&RoHS approval Applications Houses,offices, exhibitions, meeting rooms.hotels, restaurants, schools, factories,hospitals. ...