T5 Fluorescent Light Fixture Wattage-Length: 8W-328mm, 14W-589mm, 21W-889mm, 28W-1,189mm, 35W-1,4891mm, . Voltage: 110V/220V-240V. Frequency: 50Hz/60Hz. Color Temperature: 2,700K/4,000K/6,400K. With high quality Tri-color Tube. Life Time: 8,000 Hours.