digital energy saving power meter socket 1.multi-fuctions easy operation 2. with ... 3. with many type of socket Digital energy saving power meter socketitem no: JL-PM2000 Refresh Frequency: over one times ... display PF, Amp, Voltage, Hz, VA, hours, on off, watt KWH, CO2 kg,pls check the photo followed, you will ... 160~280V AC/50Hz;2. Power : 1~3000W;3. Watt-hour: 0.0001~999.9kWh;4. Ratio of operation ...