Features Better Design: Also has memory function and high testing efficiency, the operation of this power monitor is very easy. Practical Use: Used to measure AC voltage, current, active power, power factor, power frequency and electrical energy. High Accuracy: Comes with wide measuring range and high accuracy as well, the easy measurement enables better control. Clear Display: Equipped with a LCD digital display screen, the clear data viewing will largely simplify your working. Easy to Install: Designed to have a light weight and a compact size, the simple installation can be quickly finished. Specification: Item Type: Power Monitor Model: D85-2058 Material: ABS Voltage Measuring Range: AC 40-300V Measurement Accuracy: 1% ± 2 digit. Measuring Range: AC Current Measuring Range: AC 0-99.99A, the current display resolution is 0.01A, when it exceeds 100A, it will display 100.0A. Active Power Display Range: 0-30000W Electric Energy Measuring Range: 0-9999kwh. The minimum display resolution of 0-999.99kWh measuring range is 0.01kwh, the minimum display resolution of 10000.0-999.9kwh measuring range is 0.1kwh, the minimum display resolution of 10000.0-99999kwh measuring range is 1kwh. Power Frequency Measuring Range: 45.0Hz-65.0Hz Power Factor Measuring Range: 0.00-1.00PF Measuring Speed: 2 times per second. Memory Function: When the meter is powered off during use, the accumulated power value of the meter will be stored by itself (the previous energy data will be saved).  Package List:1 x Power Monitor1 x User Manual Package List 1 x Power Monitor 1 x User Manual