Features: Energy meter with LCD backlight digital display, alternately displays electricity consumption, voltage, current and power. AC220V/50Hz voltage, 5A-80A current, 17000W power, 1000imp/kwh pulse output and with pulse output indicator. 35mm DIN rail mount; 17.5mm pole width; supports Up-Out and Down-In / Up-In and Down-Out wiring method, easy to install. Adopt microelectronics and digital processing technology to measure electrical energy accurately and reliably. High-power ICs and precision SMT technology, with good resistance to electromagnetic interference and stable percompatiblemance. Specifications: Material: plastic Model: DDM15SD Accuracy: First class Rated voltage: 220V/50Hz Rated current: 5-80A Display: backlight LCD digital display Installation: 35mm DIN rail Pole width: 17.5mm Wiring method : up and down / up and down Power: 17000W Ambient temperature: -20~+50 Item size: approx. 7.8 * 3.7 * 6.6cm / 3.1 * 1.5 * 2.6in Item weight: 200g / 7.1oz Package size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6in Package weight: 300g Note: This counter energy does not have the reset function. Package List: 1 * Energy Meter