VESTA clamp meter. Measures, monitors and reports the energy consumption of an entire household or apartment complex. Lightweight and easy to install in a standard electrical box or switch panel. Monitors the total amount of electricity used and generates an energy history for the day/week/month. High stability and sensitivity. LED status indicator. Over-the-air (OTA) firmware upgrade capability. Reports collected data to the control panel at regular intervals. Compatible with third-party Z-Wave systems. Z-Wave certified product. Suitable for residential and commercial premises.