About this product: 1. Power meter with LCD digital display, displays power consumption, voltage, current and power in turn. 2.Voltage AC220V /50Hz, current 5A-80A, power 17000W, output pulse 1000imp/kwh 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 electric power , precisely and reliably. 5. Large-scale integrated circuits and precision SMT technology, with good resistance to electromagnetic interference and stable performance. Specifications: Material: plastic.< /p> Model: DDM15SC. Accuracy: first level. Reference voltage: 220 V / 50 Hz. Reference current: 5-80A. Display: LCD digital display. Installation: 35 mm DIN rail. Pole width: 17.5 mm. Wiring method: Up-out and Down-in / Up-in and Down-out. Power: 17,000 W. Ambient temperature: -20 ?? ~+50??. Item size: approx. 7.8 * 3.7 * 6.6cm / 3.1 * 1.5 * 2.6inch. Item weight: 200g / 7.1oz. Product size: 39;packing: 8 * 7 * 4 cm / 3.1 * 2.8 * 1.6 inch. Package weight: 300 g / 10.6 oz. Note: This energy meter does not have reset function. Package list:< /p> 1 * Energy meter.