Single electricity single-phase/3-phase compatible Trans three current transformers for single phase application Measures real-time voltage, current, powerfactor, activepower and Total energy consumption Display the device temperature on the app Suitable for residential and commercial applications Important safety information: Clamp the power clamp must only be installed and serviced by a qualified Electric staff. During the test, do not touch the device terminals. Turn off all power supply to this equipment before installing. Always use a properly rated voltage detection device to confirm that power is off. Replace replace all devices, ports and covers before applying power to the Construction equipment. Failure to follow these instructions will result in death or serious An injury. Colour:As Shown Material:plastic type:80A/120A/200A/300A/500A/750A Package Contents: 1 x 3 Phase WiFi Energy KWH Meter 1 x Antenna 3 x Circlip 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.