Fangrui Product Details Note Before Purchase:this Product Has Two Different Versions, Wifi And Zigbee. Please Carefully Check Which Version You Need Before Placing An Order. Zigbee Version: Support Tuya Zigbee Hub Control. New Update Version, Mini Size And With Wide Volatge. Two Way Metering: It Can Accurately Measure Both The Electricity Consumption In The Home And The Amount Of Solar Energy Produced. Unbalanced-load Alarm: When The Load Is Unbalanced, It Is Necessary To Check The Electrical Box In Time To Prevent Short Circuit And Protect The Safety Of Household Electricity. Easy-to-use: Installation Alone Can Help Ev Charger Meet Residual Current Measuring Of Voltage, Current, Power, Power Factor, Energy. High-precision Of Energy Measurement Within Tolerance . Alarm Message Delivering In The Event Of Abnormal Power Supply. Energy Measurement: Accumulated Energy, Hourly /daily /monthly Energy. Measured Key Data: Voltage, Current, Power, Power Factor, Temperature. Alarm Sending: Over/under Voltage, High Temperature, High Po