Feature: 1. Electrical Monitoring: Equipped with 3 x 500A sensors, this energy meter can accurately monitor your air conditioning, stove, water heater, washing machine, dryer, etc. 2. Energy Monitoring: This meter helps monitor the actual electricity in your home anytime, anywhere to prevent expensive repairs, save energy, and costs. 3. Multi Function: This energy monitor can measure voltage, current, power factor, is a highly practical assistant for energy monitoring in your homes. 4. WIFI Connection: Supports 2.4 GHz WIFI connection, you can monitor real time energy usage data through mobile APP, fast and accurate. 5. Easy to Use: The power clamp is lightweight and easy to install, can help you monitor the electricity consumption in the facility by connecting the clamp to the power cord. Specification: Item Type: WiFi Energy Meter Material: ABS, Metal Model: PC 321 W 500 TY WIFI: 802.11 B G N20 Operating Frequency: 2.4GHz, external antenna Output Power: +20dBm CT Current: 3 x 500A Calibration Measurement Accuracy: ≤100W (within ±2W) >100W (within ±2%) Temperature: -20℃ to +55℃ Humidity: ≤90% non condensing. Package List: 1 x WiFi Energy Meter1 x Antenna1 x Antenna Base4 x Accessories1 x User Manual Note: Important Safety Information: The power clamp must be installed and repaired by qualified personnel. During the testing process, do not touch the terminals of the device, and turn off all power to the device before installation. Ensure your safety.