Digital Energy Meter 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. Added backlight, easy to read and record data in the dark. 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. Effective and Easy to Use Watt meter socket energy meter is perfect for home appliances, such as computer, washing machine, TV, game console, router, refrigerator, kitchen appliances, aquarium lighting and others home appliances to maximize energy and money saving. 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 set and program the consumption meter. Super Quality and Guarantee When the total power exceeds the maximum power of this power meter (3680W), the LCD display flashes and displays OVERLOAD. If you need instructions in French or have any questions, do not hesitate to contact the seller. Product description Energy meter socket p> Energy Saving and Overload Protection Do you know where your high electricity bills are being spent? Leave? wattmeter socket energy meter be your little assistant for monitoring. Energy consumption meter wattmeter can measure the energy consumption of the connected device and the consumed electricity bill. It would be your best option to save energy in daily life while protecting the environment. Memory function, power consumption socket can save data after unplugging or disconnecting the power supply. Mode 1: Show Time / Watt / Cost The first line of the LCD shows 00:00, the first two digits indicate minutes, the rest represent seconds. < p>The second line of the LCD shows the current power, its range is from 0.0W to 9999W. The third line of the LCD shows the current cost of the electricity, between 0.0 cost and 9999 cost. Before setting the rate, it will indicate a cost of 0.00 without other numbers. save energy Don't consume more electricity than necessary! By monitoring the electricity costs of household appliances, save costs and extend the life of the equipment. Wide Uses Watt meter socket power meter energy is perfect for household appliances, such as computer, washing machine, TV, game console, router, refrigerator etc. Overload Protection When the power outlet connects to more than 3680W, the second line of the LCD displays the message "OVERLOAD" to warn users.