Tuya compliant. Support automation with other Tuya device<br> Single, Split-Phase120/240VAC,3-Phase/4-wire 480Y/277VAC electricity system compatible<br> Remotely monitor whole home Energy and up to 2 individual circuits with 50A Sub CT, like Solar, lighting, receptacles<br> Bi-Directional measurement;Real-time Voltage, Current, PowerFactor, ActivePower, Frequency measurement<br> Historical data of Energy Consumed and Energy Production<br> Specifications: WIFI-SP360-200A / WIFI-SP360-300A<br> Colour:White<br> Material:plastic<br> Product Parameters<br> Operating Voltage:90-277 Vac 50/60 Hz<br> Calibrated Metering Accuracy:±2%<br> Reporting Cycle:Every 15 seconds<br> Operating Temperature:-20℃-+55℃<br> Operating Humidity: Less than 90% non-condensing<br> Wi-Fi:802.11 b/g/n @2.4GHZ<br> RF Characteristics:Operating frequency:2.4GHz/External magnetic antenna<br> Supported Systems:Single-Phase 240VAC line-neutral/Split-Phase 120/240VAC/<br> Three-Phase up to 480Y/277VAC(No Delta/wye/Y/Star Connection<br> Important Safety Information for Installation!<br> The power meter must be installed and serviced by qualified electricians.<br> Do not touch the terminals of the device during testing.<br> Turn off power before connecting or disconnecting auxiliary equipment.<br> Use appropriate Double check that the power supply is off with the rated voltage sensing device.<br> Package Contents:<br> 1 set * Real-time power monitor<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.