Monitoring electric usage and know cost intuitively: Power consumption meter can measure power (W), volts, amps, frequency, power factor, maximum and minimum power (W), cumulative time and energy (kWh), and calculate cost automatically after price-setting; monitoring usage and help you to save electricity cost Large clear LCD display: Electricity monitors kilowatt meter has a wide view angle and clear-digit display; easy to read and operate the electricity monitors in dark areas with the backlit clear LCD displa Detects voltage, current, frequency, and appliance power consumption. Calculates electricity usage, bills, and usage time. Records instantaneous and minimum power consumption. Overload warning display. High measurement accuracy, 1% error. Large LCD display for easy viewing and configuration. Low power consumption, less than 0.2W. Operating voltage:240VAC Frequency display:50HZ Operating current: max 16A Wide voltage range:150V-240V Timing display range:0 second~9999 days Voltage display range: 0V~9999V Current display (amps):0.000A~16.000A Price display range:0.00COST/KWH - 99.99COST/KWH (The product printed words depending on the batch, but this does not affect use) Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Color: As Shown Material: plastic Package Contents: 1 * Wattmeter Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.