Open box Smart WiFi relay Sonoff MINIR4, 10A, 1 channel

What does "open box" mean?

Open-box products are returned products with opened or damaged packaging, but fully checked from a technical point of view and completely functional. They come with the same warranty as new products.

Sonoff MINIR4 WiFi smart relay, 10A, 1 channel, wall-box mounting, with “eWeLink Remote” function, white

Sonoff MINI R4 is the most compact and versatile version in the MINI range, ideal for making conventional switches smart, for wall-box mounting and for local or remote control. With support for voice control, advanced scenes and compatibility with open-source platforms, it is the ideal solution for a flexible and secure smart home system.

Smart control from the app

Control lights and other appliances from anywhere with the eWeLink app (Android/iOS).

• Remote on/off

• Scheduling, timer, scenes

• Sharing with family members

Compatible with external switches and sensors

Easily connect:

• Conventional wall switches

• SPDT switches, momentary switches

• Dry contact sensors

“Detached relay” mode lets you separate the switch logic from the relay state – ideal for uninterrupted control in advanced scenes.

Local control via “eWeLink Remote”

MINIR4 acts as a gateway for Sonoff R5 remotes and S-MATE modules. These can be paired wirelessly for local control, even without WiFi.

Ultra-compact dimensions for easy mounting

It can be mounted in the smallest standard EU wall boxes.
Design optimised for discreet and safe installations.

DIY integration & local control without the cloud

Supports local network integration with Home Assistant, openHAB, ioBroker
LAN control even without an internet connection

Voice control & smart scenes

Compatible with:

• Amazon Alexa

• Google Assistant

• IFTTT

Create automatic scenes for advanced smart control – e.g. when the door closes, the light switches off.

Practical use cases

• Installed behind a socket or switch, it allows remote control of a bulb, pump or other electrical equipment via the app.
• Used to switch a water heater or an irrigation pump on/off automatically on a time schedule, with no manual intervention.
• Integrated into a leaving-home scene that automatically switches off power-hungry electrical equipment when everyone leaves the house.

Technical specifications:

Turn any conventional switch into a smart one with Sonoff MINIR4 – the ideal solution for advanced automation in a minimalist format!