SONOFF™ PowR2 Overview
Sonoff Pow R2 is a 15A WiFi smart light switch that allows you to remotely manage and control your appliances and monitor your home energy usage. The WiFi light switch works like a power monitor, which allows you to keep track of 99% accurate real-time current, voltage and power on your app.

The power switch can protect your appliances from overload. What you need to do is to set threshold values for the current, voltage and power. It works like a kWh calculator that can measure electricity consumption for a specified period and a day. The eWeLink app provides 100 days recorded electricity usage data, which you can export to your phone storage. You can keep track of how much energy your appliances are consuming and estimate your running costs.

With the Pow R2 power monitoring switch, you can spend less on your electricity bill. The timers schedule your appliances automatically power on and off at a defined time. The scene lets your appliances work together in new ways, like setting the heater auto-off when the door light is off.

Sonoff Pow is a wireless smart power switch with electricity usage monitor feature. The Sonoff Pow remote power switch works like an electricity consumption calculator( kwh calculator), it allows users to calculate electricity usage and remote control the connected electrical devices by the App eWeLink. 

Sonoff Pow energy usage calculator has the amazing capability to display the electrical devices' instant wattage consumption. It also has the option to report the energy consumption in kWh over a period of time, and can generate monthly energy usage reports. Sonoff Pow, therefore, allows users calculate electricity bill,  figure out which appliances consume the most power so they can easily cut down electricity bill. 

Since Sonoff Pow energy consumption calculator belongs to the Sonoff family, it has all the functions of a basic Sonoff. Through the mobile application eWeLink, remote home control becomes a reality. Consumers can remotely control the operation of home appliances by turning them on, off instantly or according to a user specified schedule, such as repeat or countdown. Consumers can also share the remote access with others for a mutual control of the appliances.  

Apart from traditional consumers, Sonoff Pow is a very exciting product for those into hacking, since four program ports have been reserved for burning external firmware. Now, isn’t that thrilling?