SONOFF WiFi Smart Switch POWR3 – Wireless Power Monitoring for Smart Home
The SONOFF POWR3 is a single-channel WiFi smart switch that lets you control and monitor any 230V appliance remotely from your smartphone. With built-in power monitoring, it tracks real-time energy consumption and total usage, helping you understand and optimise your electricity usage.
Remote on/off control via WiFi — no hub required, works directly over your home network
Power monitoring tracks real-time wattage and cumulative energy consumption for every connected device
Compatible with Amazon Alexa for voice control — turn devices on or off by voice command
Compact white design fits standard wall switches and blends into any indoor setting
What makes the POWR3 stand out
Unlike basic smart switches, the POWR3 combines switching and energy monitoring in a single compact unit. The IEEE 802.11 b/g/n wireless protocol ensures a stable connection, while the 25A rating and 5500W capacity make it suitable for a wide range of household appliances, from lamps and fans to heaters and kitchen devices.
Ideal for
Homeowners and renters who want to add smart control and energy awareness to existing 230V devices without professional installation. The DIY-friendly design and direct WiFi connectivity make it a practical choice for anyone building or expanding a smart home setup.
Application of SONOFF POWR3
Install the switch in place of a standard wall switch, connecting line and load wires according to the included instructions
Download the SONOFF eWeLink app and pair the device via WiFi
Assign a device name and room, then control remotely or set up schedules and scenes
Monitor power consumption in the app to identify high-usage appliances and adjust habits
SONOFF ist eine chinesische Smart-Home-Marke, die sich auf drahtlose Schalt- und Überwachungsgeräte spezialisiert hat. Die Marke konzentriert sich auf DIY-freundliche Smart-Home-Komponenten, die sich in gängige Sprachassistenten und Home-Automation-Ökosysteme integrieren lassen. Die POWR3-Linie setzt mit Power-Monitoring als Unterscheidungsmerkmal gegenüber standardmässigen Smart-Switches einen Schwerpunkt.
The SONOFF POWR3 is a single-channel WiFi smart switch with built-in power monitoring. It is used to remotely control and track energy consumption of any 230V appliance, such as lamps, heaters, fans, or kitchen devices, via the SONOFF eWeLink app or Amazon Alexa voice commands.
The POWR3 is compatible with Amazon Alexa for voice control. It connects directly over WiFi (IEEE 802.11 b/g/n) without requiring a separate hub or bridge, and is managed through the SONOFF eWeLink app on iOS and Android.
The switch supports 230V AC at 25A (5500W max load), uses IEEE 802.11 b/g/n WiFi, and includes real-time power monitoring with cumulative energy tracking. The unit weighs 0.52 kg and is available in white.
Delivery includes the SONOFF POWR3 switch and installation instructions. The device is a DIY installation that replaces a standard wall switch — connect line and load wires as shown in the manual. No hub or professional electrician is required.
The SONOFF POWR3 comes with a 24-month manufacturer warranty, providing coverage against defects in materials and workmanship during normal use.
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