7 Monitoring Modes This outlet power meter supports monitoring of time, power, cost, cumulative power consumption, voltage, frequency, current, power factor, minimum power, maximum performance, and electricity price. Real-Time Monitoring Simply connect your electronic devices to this power consumption meter. The energy meter starts monitoring and recording the power consumption and electricity cost of the connected device, helping you understand the energy usage of your home appliances. Backlight and Memory Function Equipped with a built-in backup battery, this power consumption meter retains data during power outages. Press any key to activate the backlight for 10 seconds, allowing easy viewing in low-light conditions. Overload Warning When the connected device exceeds 3680W, the LCD screen will continuously display "OVERLOAD" to alert the user, helping protect both the connected device and the power meter. Easy Operation Press the FUNC button to select monitoring modes. Use the COST button to set the electricity rate per unit, and the UP and DOWN buttons to adjust the value. Press the RESET button to clear all settings. Designed for simple use by all age groups. Product Information How to Use? How is the cost per unit of electricity determined? - Long press the COST button until "Cost/kWh" flashes in the lower right corner. - Briefly press the FUNC key to move between digit positions from left to right. - Use the UP or DOWN buttons to set the desired value. - After setting, briefly press the COST button, then the FUNC button to exit the menu. FUNC: Press to cycle through monitoring modes. RESET: A small button located in the bottom right corner of the display; use the included tool to press. Energy Meter for Socket Easy Application This power meter socket offers 7 monitoring modes for comprehensive data tracking, enabling real-time monitoring of home appliance energy usage and efficiency. Its compact design saves space and is ideal for use with various devices such as computers, air conditioners, refrigerators, dishwashers, microwaves, and more.