Features:Energy meter with LCD backlight digital display, takes turns showing 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 Railmounting; 17.5mm pole width; supports Up-out andDown-in / Up-in and Down-out wiring method, easy to install.Adopt microelectronics and digital processing technology to measure electric energy, accurate and reliable.Large scale integrated circuitsand precision SMT technology, with good electromagnetic interference resistance and stable performance.Specifications:Material: PlasticModel: DDM15SDAccuracy: First ClassReference Voltage: 220V/50HzReference Current: 5-80ADisplay: LCD Backlight Digital DisplayInstallation: 35mm DIN RailPole Width: 17.5mmWiring Method:Up-out andDown-in / Up-in and Down-outPower: 17000WEnvironment Temperature: -20~+50Item Size: approx. 7.8 * 3.7 * 6.6cm/ 3.1 * 1.5 * 2.6inItem Weight: 200g/ 7.1ozPackage Size: 8 * 7 * 4cm/ 3.1 * 2.8 * 1.6inPackage Weight: 300g/ 10.6ozNote:This energymeter doesn't has the reset function.Package List:1 * Energy Meter