Description: This device helps you monitor the power consumption in your facility by connecting the clamp to the power cable. It can also measure Voltage, Current, PowerFactor, ActivePower. It allows you to check real-time energy data and historical usage via mobile App. Main Features Tuya compliant Support linkage with other Tuya devices Single/3 - phase system compatible Measures real-time Voltage, Current, PowerFactor, Active Power and frequency Support Energy Usage/Production measurement Usage/Production by hour, day, month and easy to install Colour: As shown Material: plastic Package Contents: 1 x Tuya Smart WiFi 3 Phase Energy Monitor(Due to different product batches, the appearance , which does not affect the use) 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.