... 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 ... 005B Plug TypeSwiss plug, groundedSwiss plug, grounded Operation Voltage (V)160~280160~280 Frequency (Hz)5050 Peak ... Load (A)1515 Voltage Measure Range (V)160~280160~280 Power Measure ...