Feature: 1. APPLIANCE MONITORING: Energy monitor come with three 200A sensors to accurately monitor your air conditioner, stove, water heater, washer, dryer and more 2. ENERGY MONITORING: Electricity meter monitor your home actual power anytime and anywhere to prevent expensive repairs, save energy, and save money 3. MEASUREMENT OBJECT: Clamp current transformer support voltage, current, and power factor measurement, and support linkage with other for tuya 4. REAL TIME ENERGY DATA: Energy monitor needs to be used in conjunction with the gateway to monitor energy usage through a mobile application. Provide 2 seconds of data with ±2% accuracy 5. EASY TO USE: The power clamp is lightweight and easy to install, and help you monitor power usage in your facility by connecting clamp to power cord Specification: Item Type: Smart Home Energy Monitor For ZigBee: 2.4GHz IEEE 802.15.4 For ZigBee Profile: For ZigBee 3.0 Operating Frequency: 2.4GHz external antenna Output Power: +20dBm CT Current: 3x200A Access Voltage: 100~240V Calibration Measurement Accuracy: ≤ 100W(within ±2W), >100W(±2% or less) Temperature: -20℃~+55℃ Humidity: ≤90% No condensation. Package List: 1 x Three Phase Smart Meter1 x User Manual1 x Antenna1 x Antenna Base4 x Accessories Note: Important Safety Information: The power clip must be installed and repaired by a qualified person, do not touch the terminal of the device during the test, and turn off all power to the device before installation. Keep you safe.