Sonoff RFR3 Intelligent Wi-Fi Smart Switch w/ Alexa & 433MHz RF
The Sonoff RFR3 is a Wi-Fi smart switch module designed for DIY integration, enabling remote control of AC appliances via the eWeLink app, Alexa, Google Assistant, or a 433MHz RF remote, with local LAN control for offline operation.
Features
- Wi-Fi & 433MHz RF dual-mode control for flexible device triggering and remote operation.
- Direct Alexa and Google Assistant voice command support for hands-free smart home automation.
- Local LAN control via eWeLink app ensures operation during internet or Wi-Fi outages.
- High-power 10A/2200W AC rating for controlling heavy-duty appliances and lighting.
- Compact DIY module design for easy integration into existing fixtures and enclosures.
Out of stock
The Sonoff RFR3 Intelligent Switch is a versatile AC power control module built for makers and smart home integrators. It combines 2.4GHz Wi-Fi (802.11 b/g/n) connectivity with a 433.92MHz RF receiver, allowing control via cloud services, local network, or physical RF remotes. Its core function is to safely switch high-power AC loads up to 10A/2200W, making it suitable for lamps, fans, and small appliances.
Engineered for reliability, the RFR3 features a local LAN mode within the eWeLink ecosystem, providing fallback control when cloud connectivity is lost. The module’s compact form factor and DIY-friendly design facilitate embedding into custom enclosures or retrofitting standard wall switches, enabling the creation of intelligent, voice-activated, and remotely managed devices without complex wiring or firmware development.
Additional Information
| Weight | 0.058 kg |
|---|---|
| Dimensions | 4.5 × 9 × 2.5 cm |














