watt,power factor,current,and annual power consumption for LED T8 tube tester,also CFL tubes bulbs and fixtures, patent tester LITE LED tube tester ... , Wattage, Current,Power factor, Annual power consumption(calculated by 10 hrs/day)3. Equiped with different converter for E27, E14, B15, ... B22,MR16, GU10, G9.Could test different bulbs with different bases. LED T8 Tueb ...