Feature: 1. Large, clear, and easy-to-read LCD screen. 2. Seven display modes, press the function button to send. 3. Overload warning displayed on the LCD screen. 4. Abnormal display or lack of response to the reset button. 5. Built-in 3.6V (NI-MH) battery to save power and save settings. Illustrate: 1. An energy meter is a monitoring and testing instrument that determines the energy consumption and cost of energy consumption of connected devices. 2. Measure voltage, frequency, current, power factor, watts, minimum and maximum power, record cumulative kWh, time, date, and electricity bill. Specification: Operating voltage: EU/UK/AU plug is 230V 50Hz, Working current: 16A max Wide voltage range: EU/UK/AU plug is 230V-250V Watt monitor (Watt): 0W-3680W Voltage display range: 0V-9999V Display current (Ampere): 0.0-16.0A Frequency display: 0HZ-9999Hz Minimum watt display: 0.0??W-3680??W Maximum watt display: 0.0??W-3680??W Price display range: 0.000KWH- 99.99 KWH Total kWh and cost display: 0.000 KWH-9999 KWH Contact: EU plug Blue color Size: 62 x 76 x 129 mm Package includes: 1 * Plug-in energy meter