7 Modes for Accurate Measurement: Energy Meter Socket is equipped with an LCD display for easy data reading. Consumption meter with 7 modes are used to monitor power, voltage, frequency, current, power factor, cost and minimum and maximum power, accumulated power.Power meter Digital Energy: Simply 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 Use: Power meter socket wattmeter 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 savings and money.Built-in Battery:Thanks to the built-in battery, your data can be saved when you unplug it or after a power outage. Besides, it is more convenient to set and program the consumption meter before plugging in the socket.Super Quality and Guarantee: When the total power exceeds the maximum power of this power meter (3680W), the LCD screen flashes and displays "OVERLOAD".