... phase digital power meter; Mini size for home use; Standard Swiss socket; CE, RoHS and FCC approved. Patented single-phase digital power ... to measure real-time Voltage, Watt, kWh, $, AMPS and so on.FUNCTIONS:1. Measure real-time voltage of the ... (running power is over preset standby power) and 1 hour. Alarm point for ratio of operation condition ... digital power meter, sigle phase power meter for home use