Features: The electricity meter features an LCD backlight digital display to show energy consumption, voltage, current, and power. AC220V/50Hz voltage, 5A -80A current, 17000W power, 1000imp/kWh pulse output, with pulse output display. Installation on 35 mm DIN rail; 17.5 mm column width; Supports upper and lower/high and low cable routing, easy to install. Uses microelectronics and digital technology for measurement; electricity with precision and reliability. Large integrated circuits and SMT-precision technology offer excellent electromagnetic anti-interference performance and stable performance. Specifications: Material: Plastic Model: DDM15SD Accuracy: First class Reference Voltage: 220 V / 50 Hz Reference Current: 5-80 A Display: Digital LCD Installation Method: DIN rail 35 mm Column Width: 17.5 mm Cable Routing Method: Upper and lower input/Upper and lower output Power: 17 000 W Operating Temperature: -20 ℃ ~ + 50 ℃ Product Size: Approximately 7.8 * 3.7 * 6.6 cm/3.1 * 1.5 * 2.6 in Product Weight: 200 grams /7.1 ounces Packaging Dimensions: 8 x 7 x 4 cm Note: This energy meter has no reset function. Packaging List: 1 * Electricity Meter (T-shirt + Shorts + 1 pair of socks)