7 Monitoring Modes This outlet power meter supports 7 monitoring modes, including time, power, cost, cumulative power consumption, voltage, frequency, current, power factor, minimum power, maximum power, and electricity rate. Real-Time Monitoring Simply connect your electronic devices to this power consumption meter. The energy meter automatically monitors and records power usage and electricity cost, helping you track the energy consumption of your home appliances. Backlight and Memory Function Equipped with a built-in backup battery, this power meter retains stored data during power outages. Press any button to activate the backlight for 10 seconds, allowing easy viewing in low-light conditions. Overload Warning When the connected load exceeds 3680W, the LCD screen will continuously display "OVERLOAD" to alert the user, helping protect both the connected devices and the power meter. Easy Operation Press the FUNC button to cycle through monitoring modes. Use the COST button to set the electricity rate per unit. Adjust the value using the UP and DOWN buttons. Press the RESET button to clear all settings. Designed for simple use by all age groups. How to Use To set the electricity rate: 1. Long press the COST button until "Cost/kWh" flashes in the lower right corner. 2. Press the FUNC button to select the digit to adjust. 3. Use the UP or DOWN buttons to set the desired value. 4. Press the COST button, then the FUNC button to exit the menu. Button Functions FUNC: Switch between monitoring modes RESET: Located in the bottom right corner of the display; use the included pin to press Energy Meter for Outlet – Easy Application This compact power meter offers 7 monitoring modes for comprehensive energy tracking. Real-time monitoring helps manage energy usage and efficiency. Its space-saving design makes it suitable for various appliances such as computers, air conditioners, refrigerators, dishwashers, microwaves, and more.