... LED tester, testing Power , Power factor, Voltage ,Current,and Annual power consumption(calculated by 10hrs/day), We are specializingac in all kinds of ... 300W.4,Testing parameters: Voltage, Current , Power, Power factor, Annual power consumption.(Calculated based on 10 hours/day).5,It could test two ... of charge replacement is available. If you 're interested in this tester, kindly pls let me know, I'll ...