... luminous efficiency, lux, cct ,Voltage, Current, Power, Power Factor and Annual power consumption of lighting products. All those are CE ... with Voltage range 100V-250V.3, Maximum testing wattage: 300W.4,Testing parameters: Voltage, Current , Power, Power factor, Annual power consumption.( ... -755-28247655SKYPER:risarisa20121Phone:0086+15813826713 T8 full range power meter(LED tube and bulb demo case)