This product is unused; the packaging was damaged during transport. The unopened product has been repackaged in our warehouse and is in perfect working condition. A warranty is available. Features: Energy meter with a digital LCD backlit display showing energy consumption, voltage, current, and power. Voltage AC220V/50Hz, current 5A-80A, power 17000W, pulse output 1000imp/kwh, and with pulse output display. 35mm DIN-rail mounting; 17.5mm pole width; Supports up-and-down/up-in and down-out wiring methods for easy installation. Uses microelectronics and digital technology to accurately and reliably measure electrical power. Large-scale integrated circuits and precision SMT technology provide good resistance to electromagnetic interference and stable performance. Specifications: Material: Plastic Model: DDM15SD Accuracy: First class Reference Voltage: 220 V / 50 Hz Reference Current: 5-80 A Display: LCD backlit digital display Installation: 35mm DIN rail Pole Width: 17.5mm Wiring Method: Up and down input/Up and down output Power Supply: 17,000 W 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 x 7 x 4 cm Note: This energy meter does not have a reset function. Package List: 1 * Energy Meter