Features WIFI CONNECTION: After this device is connected to WiFi (WiFi can access the Internet), users can monitor the device status anytime and anywhere in the For app (mobile phones can receive internet signals). Intelligent energy meter with a 120A current transformer CT clamp sensor and a current measuring range of 120A. Main function: this device can monitor energy consumption. If there is a photovoltaic solar system at home, this device can monitor the electricity generated by the photovoltaic solar system and the electricity consumed by the city mains after installation according to our wiring diagram. Real-time monitoring: real-time energy monitoring of voltage, current, power factor, active power and frequency; compatible with Google Home Assistant. App recording: you can display the energy consumption records for hour, day, month and year in the app, which can be recorded for up to 1 year Support of automation: the consumption meter supports the automation of click-to-run and others for TU YA devices. Specification: Item type: WiFi smart energy meter. Material: ABS Safety ring: 120 A x 1. Support system: compatible with Google Home. Wi-Fi: 802.11 B G N20 N40 at 2.4 GHz BLE: BT 4.2 Low Energy. RF Features: Operating frequency: 2.4 GHz, built-in antenna. Operating voltage: AC90-250V 50 60Hz. Measuring voltage range: 0.2A-80A Accuracy of calibration measurement: Less than or equal to 100W (within ±2W) More than 100W (within ± 2%) Report cycle: every 15 seconds Temperature range: -20 to 55 °C. Humidity range: less than or equal to 90%, non-condensing Installation method: 35mm DIN rail Package list: 1 x monitor. 1 x user manual (English language Package List 1 x Monitor 1 x Manual