1、MAIN FUNCTION: This device can monitor energy consumption. If there is a solar photovoltaic system at home, after installation according to our wiring diagram, this device can monitor the electricity generated by the solar photovoltaic system and the energy consumed by the urban power grid. 2、WIFI CONNECTION: After connecting this device to WiFi (WiFi can access the internet), users can monitor the device status anytime and anywhere on the for TUYA app or for SMART LIFE app (mobile phones can obtain internet signals). Smart energy meter with a 120A current transformer CT clamp sensor, has a current measurement range 120A. 3、REAL TIME MONITORING: Real time energy monitoring of voltage, current, power factor, active power, and frequency; Compatible with for Google Home Assistant. 4、SUPPORT AUTOMATION: Consumption meter supports automation of click to run and other for TUYA devices. 5、APP RECORD: You can view the hour, day, month, year energy consumption records on the APP, which can keep records for up to 1 year