Single/3 - phase electricity compatible Three current for Single phase application Measures real-time Voltage, Current, PowerFactor, ActivePower and energy consumption Display the temperature of the device on the App Suitable for both residential and commercial application Important safety information: The power clamp must be installed and serviced only by a qualified electrical personnel. Do not touch the terminals of the device during testing. Turn off all the power supply for this equipment installing. Always use a properly rated voltage sensing device to confirm power is off. Replace all devices, doors and covers applying power to the equipment. Failure to these instructions will in death or serious injury. Colour:As Shown Material:plastic type:300A Package Contents: 1 x 3 Phase WiFi Energy KWH Meter 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.