Code No. SK4105 Model No. CL-220W Lamps: 4PCS OSRAM Brand ring tube Watts: 4?5W=220W Power Supply: 220-240Vac or 110-130Vac Color Temperature: 5400K Ra: >90 Lamp tube life: About 6000hrs under constant color temperature Package size: Related accessories: CL-2105 55w Lamp Tube