【Electricity Usage Monitor】Simply plug the wattmeter into a power outlet and you'll be able to see exactly how much electricity is being used by individual items in your home. If you're trying to cut down on your electricity bills, this handy gadget will definitely help! 【Functional and useful 】It features a simple user interface with many information parameters, including power (W), energy (kWh), current (A), voltage (V), power factor, cost, maximum power, minimum power, etc. to monitor the energy consumption of household appliances. 【Overload alarm】Once the load exceeds 16A or 3680W, there will be a flashing OVERLOAD icon on the screen, so you will know which device is consuming a lot of power, or if there is a problem. This helps a lot to ensure electrical safety and minimize losses. 【Backlit LCD display 】The power meter is built with a large backlit LCD digital display that can be seen from a distance and is very easy to read in good light or in the dark. 【Battery powered, data