The 25A WiFi Energy Metered Switch SONOFF POWR3 that allows you to manage and operate your devices remotely, controlling the energy consumption of the devices in your home. This WiFi switch works by monitoring electrical energy consumption, thus making it possible to track current, voltage and power in real time through its eWeLink app, which is available for iOS and Android operating systems and can be downloaded from the App Store and Google Play respectively. The switch sets threshold values for current, voltage and power, making it optimal for the protection of household appliances. Additionally, it calculates the consumption in kWh for the period specified. The eWeLink application will log up to 100 days of electricity consumption data and can be exported to your phone's storage. This allows you to track and analyse the amount of electricity consumed during that period. With the POWR3 energy monitoring switch, you will save on your electricity bill.