Features: 1.Power meter with LCD digital display, display 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 pole 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 electric energy, accurate and reliable. 5.Large-scale integrated circuits and precision SMT technology, with good resistance to electromagnetic interference and stable performance. Features: Material: plastic Model: DDM15SC Reference voltage: 220V / 50Hz Reference current: 5-80A Display: LCD digital display Installation: 35mm DIN rail Pole Width: 17.5mm Wiring method: Up-out and Down-in / Up-in and Down-out Power: 17000W Environment temperature: -20~+50 Item Size: Approx. 7.8 * 3.7 * 6.6cm / 3.1 * 1.5 * 2.6in Package size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6in To note: This energy meter does not have the reset function. Package List: 1 * energy meter