Electricity Usage MonitorSimply plug the power meter between the device and a power outlet, then you can see exactly how much electricity is being used by individual items in the house. If you try of reduce your electricity bills, this handy gadget will definitely help you Functional and UsefulIt 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 AlarmOnce 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 in case of problem. It helps a lot to ensure safety electricity and minimize losses. Backlit LCD DisplayThe power meter is built with a large backlit LCD digital display that can be seen from afar and is very easy to read in good light or in the dark.