Guide rail type digital display multifunction electricity meter is designed to measure various parameter at the same time. The housing is made of insulated flame-retardant material, high impact resistance, high and low temperature resistance, with long durability. LED display, 35mm Din rail mounting, with reset function. Features: Premium Material: The housing is made of insulated flame-retardant material, high impact resistance, high and low temperature resistance, with long durability. LED Display: The display part of the meter adopts clear definition LED display, the data is clear at a glance, and with strong interference ability. 35mm Din Rail Mounting: Intelligent multi-function electricity meter, digital display, one meter for multiple uses, 35mm Din rail mounting, with low power consumption. Power Reset: Equipped with reset function, press up down key together more than 3 seconds, Kwh reset to zero. Wide Applications: Suitable for power measurement in electric power systems, testing and maintenance of electrical equipment, measurement and control of circuit parameters in industrial automation control systems, and can help engineers and technicians to quickly and accurately measure various parameters in circuits for better circuit design and maintenance. Specifications: Rated Supply Voltage: AC 220V Operation Voltage Range: AC 80v-400v (single phase) Rated Frequency: 50 / 60HZ Electric Current (>A) Setting Range: 1-63A Overvoltage (>U) Setting Range: 230-300V Undervoltage (U) Setting Range: 80-210V Error: 2% >U and