... saving lamps Tube diameter:12mm Watts:18W-26W 8000 hrs Life time CCC,CE certificate Full spiral energy saving lampsHanging typeModel No:KA-DZ ... -210Voltage:AC 110V-130V/60Hz,AC 180V-260V/50HzTube diameter:Φ9mm,Φ12mmNumber ... of turns:3T,3.5T,4T,4.5TWatts:3W,5W,7W,9W,11W,15W,18W,20W,22W,26W ...