Efergy True Power Meter - Measures Voltage and Phase for Higher Accuracy No Wi-Fi Required.;

The elite true power meter energy monitor displays in kilowatts based on true power consumption. It follows the utility voltage and measures phase angle to compensate for power factor. The elite true power meter updates every 10, 15 or 20 seconds showing real-time data so that you can take the right energy saving decisions, helping you to instantly reduce you electricity bill. The True Power Meter is suitable for use in any 120/240 volt single phase utility environment found in virtually all homes in North America. It is not suitable for use in multi unit dwellings such as apartment buildings or condomininiums which typically have a combination single/3 phase 120/208 volt utility environment.