1,Practical Use: Used to measure AC voltage, current, active power, power factor, power frequency and electrical energy. 2,Clear Display: Equipped with a LCD digital display screen, the clear data viewing will largely simplify your working. 3,High Accuracy: Comes with wide measuring range and high accuracy as well, the easy measurement enables better control. 4,Better Design: Also has memory function and high testing efficiency, the operation of this power monitor is very easy. 5,Easy to Install: Designed to have a light weight and a compact size, the simple installation can be quickly finished. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.