1、POWER MONITORING: This smart meter can measure voltage, current, and power factor, and monitor the actual power of your home anytime and anywhere, effectively saving energy. 2、3PCS 200A SENSOR: This meter is equipped with 3pcs 200A liquid level sensors to accurately monitor your air conditioning, stove, water heater, washing machine, dryer, etc. 3、WIFI CONNECTION: Requires 4GHz WiFi and internet connection, real time monitoring of energy usage through mobile application, with quick response and high accuracy. 4、COMPACT SIZE: The 3 phase smart electricity monitor is compact in size, easy to install, and equipped with an external antenna, which is convenient and practical. 5、STABLE CLAMPING: The power clamp is lightweight and easy to install. Connecting the clamp to the power cord helps you monitor the power consumption of the device. 1 x Smart Energy Meter1 x User Manual1 x Antenna4 x Accessories Item Type: Smart Energy MonitorWIFI: 802.11 B/G/N20Operating Frequency: 2.4GHz External AntennaOutput Power: +20dBmConnection Voltage: 100-240VCT Current: 3 x 200ACalibration Accuracy: ≤100W (within ±2W), >100W (within ±2%)Temperature: -20-55℃Humidity: ≤90% No Condensation