Smart switch

A revised version of the popular Sonoff RF switch (IM151116003), Sonoff RF is a low-cost smart WiFi switch with a 433.92 MHz radio receiver module that can be controlled by a radio remote control. It is a remote-controlled on-off switch that can be connected to a wide range of devices. The Sonoff RF electrical switch transmits data to a cloud platform via WiFi, allowing users to remotely control all connected devices via the eWeLink mobile app.

Service

Users can remotely control the connected device via the free eWeLink app, available on iOS and Android platforms, and via the radio remote control. Voice support and collaboration with smart assistants are also possible through compatibility with Amazon Alexa, Amazon Echo, Echo Dot, Amazon Tap, Google Assistant, Google Home, Google Nest, IFTTT. Thanks to the network connection, device status synchronization is instantaneous, so the app always shows current data.

Smart management

Users can intelligently schedule the time to automatically turn on/off devices at a specific time. The device can work independently even when WiFi network is not available, just use the LAN support function. To allow other household members to control the device, users can easily share devices with other accounts and assign certain privileges. It is also possible to create scenes or intelligent scenes to turn on/off the switch.

Connection

Below is a diagram of the device connection to the relay.

Universal compatibility

The relay is compatible with many devices available on the market. It can be used with lighting, household appliances, fans and many others.

Warranty: 12 months

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Same summary

The Sonoff RF R2 WiFi + RF 433 smart switch allows you to easily upgrade existing switches, as there is no need to change the electrical installation. Due to its support for both Wi-Fi and radio frequency (RF) control, it is suitable for users who want to combine application and local or remote control of devices in a smart home. It works best where fast response and a combination of multiple control methods are important. For those who want more advanced automation with multiple devices, the best fit is when all elements of the home are connected into a single ecosystem. Warning: check compatibility with the rest of the equipment in the home beforehand, especially if you use different protocols.

Recommendation source: Enaa guides and team experiences.

User view

This type of smart switch is often chosen by users who want to easily automate lighting or other electrical devices without major interventions in the home. It is often used in households where different family members want the ability to control via an app, a physical switch, or even a remote control - even when a phone is out of reach or inconvenient.

The Sonoff brand is known for its reliable and practical smart home solutions, which gives many users additional confidence when choosing home automation devices.

Why buy at Enaa

Enaa offers a special category of smart controllers and remote controls, where you can compare such products with other smart solutions, choose the appropriate one based on control method and protocol, and obtain technical support for installation and use.

Answers to frequently asked questions

Can I use this switch without an additional hub?

Yes, Sonoff RF R2 works over Wi-Fi and RF signals and does not require an additional hub for basic use. It is only important to check that it is compatible with the existing network and devices in your home.

What devices can I control with this switch?

You can connect the switch to various electrical devices, such as lights, fans or small household appliances - as long as they comply with the electrical characteristics of the switch and are suitable for remote control via Wi-Fi or RF.

Do I need a special management app?

To control via smartphone, you need the appropriate manufacturer's app, which is available for most smart devices. The app allows for remote control, schedules, and some automation.

How does RF control work and what does RF 433 mean?

RF 433 refers to radio frequency control at 433 MHz, which allows for easy control via a physical remote control, independent of Wi-Fi. This mode is convenient for quickly turning devices on or off without using your phone.

Can the switch be integrated into an existing smart home system?

If your smart home is Wi-Fi-based and allows integration with Sonoff devices, then integration is straightforward. However, it is recommended to check for any protocol or software limitations before purchasing.

Description updated: April 2026