Features:1. 35mm DIN Rail mounting meets the standards of DIN EN50022.2. 17.5mm pole width meets the standards of DIN43880.3. LCD backlight digital display, no reset button, to avoid human manipulation with the data.5. Red LED energy pulse signal.6. Embedded end cover, ensuring power supply safety.7. With the features of good reliability, small size, light weight, beautiful appearance and easy installation.8. Adopt microelectronics and digital processing technology to measure electric energy, accurate and reliable.9. Large scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance.Specification:Material: PlasticModel: DDM15SDAccuracy: First GradeReference Current (Max. Current): 5(80)ADisplay: LCD Backlight Digital DisplayInstallation: 35mm DIN RailWiring Method: Up-out and down-in/up-in and down-outPower: 17000WEnvironment Temperature: -20~+50Pole Width: 17.5mm/0.7inProduct Size: Approx. 8 * 3.7 * 6.7cm/3.1 * 1.5 * 2.6inWeight: Approx. 127.8gPackage list:1 * Energy MeterNote: Do NOT has the reset function..Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.