Electricity Usage MonitorSimply plug the power meter between the device and a power outlet, then you can know exactly how much electricity is being used. is used by individual elements in the house. If you are trying to reduce your electricity bills, this handy gadget will definitely help you! Functional and Useful It features a simple user interface with many settings information, including power (W), energy (kWh), current (A), voltage (V), power factor, cost, maximum power, minimum power , etc. to monitor the power consumption of home appliances. Overload AlarmOnce the load exceeds 16A or 3680W, there will be a flashing icon "OVERLOAD" on the screen, so you will know which device is consuming a lot of power, or in case of a problem. This helps a lot. guarantee security electrical and minimize losses. Backlit LCD Display The power meter is built with a large backlit LCD digital display. which can be seen from afar and is very easy to carry. read in good light or in the dark. Food Battery Powered, Data StoredThe reader itself comes with a built-in battery. with a small battery that can store the information if you unplug the mains plug. Don't worry about losing your data.