Easy access to 3 operating modes

We have access to self-locking modes (allows you to turn on devices that stay on until you manually turn them off), locking (when you turn on another device, the one that was previously on automatically turns off), and inching (when turned on, the device turns off after a predetermined time) directly through the app on your phone.

Separate handling of 4 devices

Self-locking mode allows for instant on/off of 4 connected light sources.

Reliable assistant

Users can remotely control connected devices via the free eWeLink app available on iOS and Android platforms, or with the RF 433 MHz radio remote control. Voice support and collaboration with smart assistants is also possible through compatibility with Amazon Alexa, Amazon Echo, Echo Dot, Amazon Tap, Google Assistant, Google Home, Google Nest, IFTTT.

Protection above all

The durable housing is made of high-quality fire-resistant PC material, which provides excellent protection while using connected devices.

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

The text is machine translated.

Same summary

The SONOFF 4CHPROR3 smart switch is suitable for users who want to easily control multiple devices in their home or weekend home, without having to deal with the complex installation or upgrade of a complete electrical installation. Thanks to its support for Wi-Fi and RF protocols, it allows for flexible use: you can control it via an application or with physical buttons or a remote control, which is appreciated by many families or individuals who do not want to depend only on their phone. The device is especially convenient for those looking for an automation solution in a small or medium-sized smart home without the need for an additional "hub" or complex ecosystems. In the case of more complex automation scenarios with multiple devices, it is recommended to consider broader integration or check compatibility with the rest of the systems in your home.

Recommendation source: Enaa guides and team experiences.

User view

The most common users of the SONOFF 4CHPROR3 smart switch are those who want to connect lighting, blinds or other electronic devices in the house without having to make major renovations to the wiring. It is excellent for everyday tasks: it allows you to manually or remotely turn on/off various devices, set schedules or automations, and quickly respond to the needs of the entire family. Practicality stands out especially where the combination of physical buttons and wireless control is an advantage - for example, for older members of the household or in rooms where the phone is not always at hand.

Users often choose Sonoff products because they allow for a wide range of smart devices to be connected and support multiple control methods in one system.

Why buy at Enaa

At ENAA, you get professional support for products from the smart home segment, which means better assistance in choosing solutions for a specific use case, as well as greater reliability in checking compatibility with the system you already use in your home.

Answers to frequently asked questions

Can I use the SONOFF 4CHPROR3 switch without a phone?

Yes, in addition to control via the app, it also allows you to manually turn devices on and off using physical buttons and via an RF remote control.

What devices is the Switch compatible with?

The switch supports most devices that operate on 230V and are suitable for smart switching (lights, fans, electric blinds, etc.), it is only important to check the power and type of load.

Does it require a special "hub" to work?

No, a special hub is not required for basic control via Wi-Fi or RF remote control, the switch works independently in an existing wireless network.

What does RF management support mean?

This means that you can also operate the switch with a suitable radio remote control, allowing for easy control without a phone or the internet.

Can I set up schedules or automations?

Yes, the application allows you to set schedules for turning individual channels on and off, or to customize automated scenarios for everyday life.

Description updated: April 2026