... ,watt,current,power factor,and annual power consumption for LED T8 tube tester,also CFL tubes bulbs and fixtures,patent LITE T8 Full ... the good and bad quality of lighting products(esp.LED T8 tube ,fluorescent tube.) LED T8 Tueb tester Measures:1. It's practical ... testing wattage:300W6. Wooden package,good protection.7. 1 year replacement warranty. Lux Meter for LED T8 Tube,fluorescent tube.