Opinions about Sonoff 4ch pro r2

Main advantage:

This switch allows you to control, in real time, from anywhere and at any time up to four electrical devices independently through the smartphone. Also, its compatibility with Amazon Alexa, Google Home, IFTTT brings more convenience to use.

Main disadvantage:

For its installation, either in the electrical panel or home network distribution, certain knowledge of electricity is required, so if you do not have it, it is advisable to go to a specialist.


Verdict: 9.8/10

It is a smart investment that allows home automation to make it more comfortable, safe and energy efficient.

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Main Features Explained


4 Channel Wi-Fi Switch

The best WiFi switch should not only make it easy for the user to program certain lighting functions or activate electrical devices in their home, but also generate long-term economic benefit. Hence, the Sonoff 4ch pro r2 is a switch, switch or 4-channel switch, which allows you to manage and program said number of electrical devices through a wireless network, so that savings in the purchase of switches will benefit.

On the other hand, it has three modes of operation such as interlocking, self-locking and slow speed or inching. Which allow, in the first case, to turn on one of the connected devices while the others are turned off. Meanwhile, the self-locking condition gives the possibility of turning on and off the connected units separately or at the same time, and finally, inching allows the power on of one of the devices to be adjusted between 1 and 16 seconds while the others are activated in another mode.

In addition to the aforementioned possibilities, this four-channel WiFi switch also has a timer that makes it easy to program the operating time (start-up and automatic shutdown) independently, even when there is no network availability, either from switched lights or appliances.

smart remote control

The series of WiFi switches from Sonoff are characterized by making the lifestyle of those users who seek to have a comfortable home technologically speaking more practical, since they provide the user with the facility to turn on and off the appliance or electrical device configured through IOS and Android APP. eWelink. Although, they can also do it through the remote control or even manually through the buttons built into the device; once it has been mounted in its final place by means of a DIN rail.

Hence, this model in particular makes it possible to monitor and check the status of household appliances or lights configured to this smart device from any place or time, just by having a smartphone or tablet where the application has been downloaded. From this point of view, it could be asserted that there is no distance limit to continue having control of our homes.

Another advantage of having an intelligent remote control is that it allows not only to turn on a light when you get home, so as not to find yourself in the dark, but also to start up an appliance and advance part of the preparation of a drink or main course. Likewise, each member of the family group can enjoy this benefit, since control is shared.



Having a smart home is the dream of many, although it requires, first of all, an economic investment and having efficient systems that make tasks even easier. For them, the Sonoff 4ch pro r2 may be the solution, as it has a high online rating, since among the opinions its users define it as one of the best in its category due to its price, functionality and compatibility with a web service. scheduling and various virtual assistants.

From the above we can highlight that this switch, being compatible with IFTTT, allows you to create and program certain actions to automate different scenes in home environments, either from the website itself or through the application downloaded to the mobile.

Similarly, through Amazon Alexa or Google Assistant, you can activate and deactivate the device related to the Sonoff 4ch pro r2, just by using a word. Which gives you more freedom and comfort. It should be noted that both options turn out to be convenient for home automation, given the compatibility with a wide range of devices from different manufacturers and the possibility of installing them on mobile phones that have the IOS and Android operating systems.

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