【Electricity Consumption Meter】Simply plug the power meter between the appliance and a power outlet, and you can know exactly how much electricity is used by individual items in the house. If you are trying to reduce your electricity bills, this handy gadget will definitely help you! 【Functional and Useful】It has 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】When the load exceeds 16A or 3680W, there will be a flashing OVERLOAD icon on the screen, so you know which appliance 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 Stored】The meter itself comes with a small battery that can store the information if you unplug the power plug. Don't worry about losing your data.