1、Appliance Monitoring: 3 phase smart electricity meter with three 750A sensors, you can accurately monitor your air conditioner, stove, water heater, washer, dryer, etc. Support linkage for Tuya. 2、Energy Monitoring: This smart electricity meter can monitor your home's actual power anytime, anywhere to save energy, and save maintenance. Measure voltage, current and power factor. 3、Realtime Energy Data: 4GHz WIFI and internet connection are required to monitor energy use via a mobile APP for this meter. Provides 2 seconds of data accuracy from plus minus 2%. 4、Suitable Scenario: The smart WiFi energy electric monitor meter is suitable for factory, office building, home and so on. 5、Easy to Use: The energy meter power clip is lightweight and easy to install, and helps you monitor power usage in your facility by connecting the fixture to the power cord. 1 x 3 Phase Smart Electricity Meter1 x Instruction Manual1 x Antenna4 x Accessories Item Type: WiFi 3 Phase Smart Electricity MeterMaterial: ABS, MetalWIFI: 802.11 B G N20Operating Frequency: 2.4GHz, external antennaOutput Power: +20dBmCT Current: 3 x 750AAccess Voltage: 100-240VCalibrated Metering Accuracy≤100W: ±2W within>100W: ±2% or lessTemperature: -20 - +55°C Humidity: ≤ 90%, non condensing