Single electricity single-phase/3-phase compatible Trans three current for single phase application Measures real-time voltage, current, powerfactor, activepower and 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 . During the test, do not touch the device terminals. Turn off all power supply to this equipment installing. Always use a properly rated voltage detection device to confirm that power is off. Replace replace all devices, ports and covers applying power to the Construction equipment. Failure to these instructions will in death or serious An injury. Colour:As Shown Material:plastic type:500A Package Contents: 1 x 3 Phase WiFi Energy KWH Meter 1 x Antenna 3 x Circlip Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.