SONOFF RFR2 – WiFi Wireless Smart Switch With RF Receiver For Smart Home


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【With 433MHz RF Control】Use your common 433MHz remote control to turn on/off the device without Internet.
【Easily DIY Your Smart Home Appliances】Connect RFR2 directly to the middle of the power supply and the appliance to quickly make your ordinary appliances smart without buying a new smart one.
【Fully Functional】RFR2 has all the most basic functions, like remote APP control, LAN control, timing schedule, share control, etc. Your best choice for the DIY switch.
【Smart Scenes】Trigger other smart devices, make actions auto-on/-off. The appliances understand you, and your life becomes simpler.
【Voice Control】Compatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Just speak out your command, the smart device can do on/off as you say.

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Sonoff RF switch is a SONOFF version with a 433.92MHz RF receiver module inside. This wireless switch can be used together with the RF remote controller, which enables you to control appliances in indoor environment. The remote control switch allows users remote turn on/off connected appliances via app EWeLink from anywhere in the world.

SONOFF RF has been acquainted by a lot of smart home lovers. Based on it, RFR2, as a new upgrade, comes out. At this time, SONOFF redesigned RFR2 that it has enhanced performance, enhanced safety, yet on at same price.

RFR2 is a 433MHz Wi-Fi DIY smart switch with “ETL CERTIFICATION” that provides users with easy smart home control. Similarly, there are same features for them so that the upgraded RFR2 also supports users to access other smart features that the classic RFR2 supports, including APP remote control, hands-free voice control, timing schedule, smart scene, sync status, 433MHz RF control, group control and LAN control. Simply put, RFR2 has same functions and just differences in its appearance and internal performance. Let’s check the new changes for it!

The shell adopts flame-resistant LEXAN™ 940A PC resin material with UL-94 V0 class, which can pass the ball-pressure test up to 125℃ and ensures a high heat-resistance and strong structural stability. Moisture and dust resistant, no potential safety hazard in harsh weather. Engineer with the onboard antenna with over -30dBm of 2.4Gfull-band peak power that makes the signal reception sensitivity increased by 40%. The structure strictly controls the requirements of insulation, micro disconnection, and installation test to ensure the reliability and safety of RFR2. Even a heat shrinkable sleeve is used for the fuse to provide better electrical insulation.

If you want to learn about more detailed info for the safety and performance improvement of RFR2 , please view the user inform letter here

Sonoff IP66 is a high-quality waterproof case that can be used with Sonoff RF in the underwater environment. The waterproof level of the waterproof box is IP66. It allows you to remote control your lights or home appliances outdoor. Just get it to control your Christmas tree lightings! Read the detailed installation guide.

Sonoff wireless power switch is an affordable device that provides users with smart home control. It is a wireless electrical switch that can connect to a wide range of appliances. Sonoff wireless switch transmits data to a cloud platform through the WiFi Router, which enables users to remotely control all the connected appliances, via the APP eWeLink. The cloud server of Sonoff RF is Amazon AWS global server.

SONOFF RF switch makes all home appliances smart. As long as the mobile phone has 2G/3G/4G/WiFi network, users can remotely control the appliances by turning them on off from anywhere at any time. Another feature available is to set timing schedules for the appliances, which can include scheduled/countdown/loop timers, and can thus, help users maintain an easy life.

The APP eWeLink enables users to control appliances easily. The iOS version of the application can be downloaded in App Store while the Android version in Google Play.


Additional information

Weight 59 g
Dimensions 90 × 41 × 27 mm

Product Type

Wi-Fi Smart Switch with RF Control


100-240V AC 50/60Hz


100-240V AC 50/60Hz



Switch Channel


Wireless Standard

IEEE 802.11 b/g/n 2.4GHz



DIY Mode


Box Size


Works With

, , ,



Certified Compliance


Customer Reviews

Based on 2 reviews
Kym Sims
Great little units

Great little units and the right price.


One word i have for this id "wonderful". If you are in a situvstion where there is no neutral wire and want a smart switch to install then don't spend $100+ just buy this $8 switch and you have 100's of videos on how to do it. Best part of this sonof switch is power on state with that you can use it like normal switch.

SONOFF RFR2 - WiFi Wireless Smart Switch With RF Receiver For Smart Home