Tuya compliant Support Tap-to-Run and automation with other Tuya device Single phase electricity compatible Measures real-time Energy Usage, Voltage, Current, PowerFactor, Active Power and frequency. Support Energy Production measurement Usage by day, week, month Suitable for both residential and commercial application and easy to install Tuya Zigbee Smart Energy Meter with Clamp 80A New two-way measurement technology, more convenient PC311- Power Clamp helps you monitor the amount of electricity usage in your facility by connecting the clamp on to the power cable. It can also measure Voltage, Current, PowerFactor, ActivePower. Energy Control & Management PC311- Single phase Power Clamp Colour:White Material:plastic Package Contents: 1 x Tuya Smart Zigbee Energy Meter 1 x CT Transformer Only the above package content, other products are not included. 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.