CCT, Lux,watt,current,power factor,and annual power consumption for LED T8 tube tester,also CFL tubes bulbs and fixtures,patent ... two parts supplier LED T8 tube.3. Testing parameters: Lux, Color temperature (CCT),Voltage, Wattage, Current,Power factor, Annual power ... consumption(calculated by 10 hrs/day)3. Equiped with different converter for E27, E14 ...