Feature 1Appliance Monitoring: This meter is equipped with 3 80A sensors, which can accurately monitor air conditioning, stoves, water heaters, washing machines, dryers, etc. 2Energy Monitoring: The 3 phase ammeter can measure voltage, current and power factor, supports for ZigBee 3.0 technology, 2.4GHz external antenna frequency. 3Real Time Data: Need to be used in conjunction with the gateway to monitor energy usage through mobile APP, providing 2s data with an accuracy of 2%. 4Easy Operation: This 3 phase clamp meter is lightweight and compact, and can monitor electricity consumption by connecting the clamp to the power cord. 5Household Use: The smart KWH meter is 3 phase 4 wire design, suitable for household use, real time monitoring of actual electricity, greatly saving energy.Item Type: 3 Phase Energy MeterModel: PC 321-Z-80-TYFor ZigBee: 2.4GHz IEEE 802.15.4For ZigBee Profile: For ZigBee 3.0Operating Frequency: 2.4GHz External AntennaOutput Power: +20dBmCT Current: 3 x 80AConnection Voltage: 100-240VCalibration Measuring Accuracy: 100W (within 2W), >100W (within 2%)Temperature: -20-55Humidity: 90% No Condensation .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Smart Meter1 x User Manual1 x Antenna1 x Antenna Base4 x AccessoriesNoteThe power clamp 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 to ensure your security.