7 Modes for Accurate MeasurementThe energy meter socket is equipped with an LCD display for easy reading of data. Consumption meter with 7 modes are used to monitor power, voltage, frequency, current, power factor, cost and minimum and maximum power, accumulated power. Digital Energy MeterSimply connect the device to the power source via the energy meter socket and you can monitor your electricity loss in real time. Save energy and money, and protect the environment. Efficient and Easy to UseThe power meter socket is perfect for household appliances, such as computer, washing machine, TV, game console, router, refrigerator, kitchen appliances, aquarium lighting and other household appliances to maximize energy and money savings. Built-in BatteryWith the built-in battery, your data can be saved when you unplug it or after a power outage. In addition, it is more convenient to set and program the consumption meter before plugging in the socket. Super Quality and WarrantyWhen the total power exceeds the maximum power of this power meter (3680W), the LCD screen will flash and display "OVERLOAD".