Features: Energy meter with NUMERICAL DISPLAY RTROCLAIRA LCD, showing power consumption, voltage, current, and power. AC220V/50Hz voltage, 5A-80A current, 17000W power, 1000imp/kwh output. 35mm DIN rail mounting; 17.5mm width; Supports up-out and down-in/up-in-down-out connection, easy installation. Microelectronics and numerical processing technology for reliable electrical energy measurement. Integrated large-scale circuit and SMT technology, with good electromagnetic properties and stable performance. Specifications: Material: Plastic Model: DDM15SD Precision: First class Reference Voltage: 220V / 50Hz Reference Current: 5-80A Display: LCD with backlight, numerical display Installation: 35mm DIN rail Width: 17.5mm Connection 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 energy meter does not have a reset function. Package List: 1 * Energy Meter