1[Smart Energy Monitoring] This energy meter allows you to track your power usage with real time data through APP, providing voltage, current, electricity, and power per hour (day, week, month, year) readings. 2[Reduce Power Consumption] This energy monitor is dedicated for high cost energy devices, helping you reduce energy consumption and save cost. 3[Intelligent Chip] This meter uses an intelligent chip with large scale integrated circuits and SMT surface mount technology, ensuring high performance operation. 4[Flame Retardant Material] The shell is made of PC material that is flame retardant, impact resistant, and sturdy, ensuring a long life. 5[DIN Rail Design] Designed with a back mounted DIN rail, this smart electric meter is easy and convenient to install.