About this product: 1.Energy meter with LCD digital display, displays the electricity consumption, voltage, current and power in turn. 2.AC220V/50Hz voltage, 5A-80A current, 17000W power, 1000imp/kwh pulse output and with pulse output indicator. 3.35mm DIN rail mounting; 17.5mm post width; Supports Up-out and Down-in/Up-in and Down-out wiring method, easy to install. 4.Adopt microelectronics and digital processing technology to measure electrical energy, accurate and reliable. 5.Large-scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance. Characteristics: Material: Plastic. Model No.: DDM15SC. Precision: first year. Reference voltage: 220V/50Hz. Reference Current: 5-80A.