Features:Display the voltage, current and power simultaneously by LED digital tube.Din-rail installation and easy measurement, just connect to power and lead the wire through the holeWide voltage and current measurement range.Compatible with all electric appliances at home, allowing you to monitor their electric status at real time.Help to remind you to turn off the high-power appliances, preventing safety problems and saving electricity.Easy to install to a Din rail.High accuracy, easy to use.Made of high-grade ABS material, it is safe, reliable and durable.