Backlight & Large LCD Display: Our power consumption monitor with large LCD screen with clear backlight and clear wide angle, makes it easy to read and record data, especially in the dark. < p>【High Precision】The power meter's built-in high precision current sensor can normally display voltage, current, electric power, timing and real-time billing, and the tested voltage and power is 2%. 【Overload Protection】Overload warning will be displayed on the LCD when the plug connects a load over 3680W. The LCD will display "overload" with a shaking sound to warn the user. Easy to Use: Our power meter calculates energy consumption in watts and current, voltage and frequency and power factor. It has 4 independent buttons that allow you to quickly access different power settings. 【Effective monitoring of power consumption】It can find expensive energy installations, help you reduce energy consumption and save money. It can measure various parameters and cumulative kilowatt power. Ideal choice