ITEM NAME:Din Rail LED Voltmeter Ammeter Active Power Factor Energy Meter AC 200V-450V Description: Multifunction LCD Digital voltmeter ammeter wattmeter let you clearly see the situation of electricity use. For testing current, voltage, power factor, active power, apparent power. The measurement resolution can change automatically. The testing accuracy is 1%, Â ±2 digits. Display the AC voltage and current by 4-digit red LED; Display the active power, power factor, apparent power by 5-digit red LED. Specification: Voltage Range: AC 200-450V Current Range: AC 0-100A Active Power Range: 0-45000W Apparent Power Range: 0-45000VA Power Factor Range: 1.000-0.000 Measurement speed: about 2 times per second. Size: approx. 54 x 80x 64mm Installation: Din-Rail Application Method: With English manual, easy to use Package Includes: 1 Piece AC Voltmeter Ammeter Wattmeter 1 Piece English User Manual Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !.Power Factor Range: 1.000-0.000. The testing accuracy is 1%, Â ±2 digits. Current Range: AC 0-100A. 1 Piece English User Manual. Active Power Range: 0-45000W. Apparent Power Range: 0-45000VA.