Single phase digital power meter; Mini size for home use; Standard Swiss socket; CE, RoHS and FCC approved. Patented single-phase digital power meter to measure real-time Voltage, Watt, kWh, $, AMPS and so on.FUNCTIONS:1. Measure real-time voltage of the power supply (90~150V AC or 160~280V AC);2. Measure real-time operation power of the appliances (0.7~3000W);3. Show the power consumption (0~ ...