The digital multifunction meter can simultaneously measure and display 6 parameters such as AC voltage, AC current, active , factor, frequency and electric energy. The display part of the instrument adopts a color high-definition liquid crystal display. Specification Measurement accuracy: 1 percent 2 words Alternating current: AC0-99.99A, current display resolution is 0.01A, when it exceeds 100A, it will display 100.0A frequency: 45.0Hz-65.0Hz factor: 0.00-1.00PF Active : the measurement range is 0-45000W, the display resolution between 0-9999.9W is 0.1W, and the rest is 1W Electricity: The measurement range is 0-99999kwh, the minimum display resolution of 0-999.99kwh is 0.01kwh 10000.0-9999.9kwh, the minimum display resolution is 0.1kwh, The minimum resolution of 10000.0-99999kwh is 1kwh Measuring speed: about 2 times per second Hole size: diameter 22mm Save function or memory function: automatic save function: when the is off, the meter will automatically save the current energy value, and the meter will read the value after the on, and continue to accumulate. AC: AC 250-450V Material: plastic colour: White Package Contents: 1 x meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. 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.