[7 Modes for Accurate Measurements] The power meter socket is equipped with an LCD display for easy data reading. The consumption meter with 7 modes is used to monitor power, voltage, frequency, current, power factor, cost and minimum and maximum power, cumulative power. Add a backlight for easy reading and recording data in the dark. [digital meter] Just connect the device to the power through the meter socket and you can check the loss energy in real time. Save energy and money and protect the environment. [Efficient and Easy to Use] Energy Meter The energy meter is ideal for home appliances such as computers, washing machines, televisions, game consoles, routers, refrigerators, kitchen appliances, aquarium lighting and other home appliances to maximize energy and cost savings.</ p> [user friendly] added backlight for clearer view of numbers and letters, easy to record data in the dark. In addition, it is more convenient to adjust and program consumption tables.