Open box Smart relay Sonoff Basic (R4) Wi-Fi, Bluetooth

Description

Sonoff Basic R4 WiFi + Bluetooth smart relay, control via app and eWeLink-Remote, 230V, white

Sonoff Basic R4 is the upgraded version of the popular Sonoff Basic relay, designed for simple and efficient remote control of electrical appliances. With WiFi + Bluetooth support, extended compatibility with eWeLink-Remote wireless remotes and a compact design, it is the ideal solution for simple home automation.

Smart control for any electrical appliance

Control connected devices remotely – fans, lamps, pumps, household appliances – directly from the eWeLink app (Android/iOS), with no need for a hub.

WiFi + Bluetooth connectivity

• Quick Bluetooth pairing during first setup

• Support for eWeLink-Remote: compatible with S-MATE / S-MATE2 wireless modules and Sonoff R5 – you can add local controls without cables

• Stable, fast control over the WiFi 2.4 GHz network

Automations and schedules

• On/off scheduling at fixed times or on a repeating basis

• Countdown timer and loop function

• Automatic switch-off after a preset interval

• Inching mode – activates the relay for a short time (e.g. 0,5s or 1s)

Smart scenes and sharing

• Create SmartControl scenes with other Sonoff or SmartWise devices

• Example: switch on a Sonoff S26 plug based on the temperature read by a Sonoff TH relay

• Give other family members access for shared control

Simple installation, compact design

It is powered directly from 230V AC and installs easily in wall boxes, junction boxes or custom enclosures for DIY projects.

Important:

• It has no input for temperature/humidity sensors – external probes cannot be connected

• For automations based on temperature or humidity, choose the Sonoff TH range

Extended compatibility

• Voice control via Amazon Alexa, Google Assistant and Google Nest

• Full integration with the eWeLink app

• Compatible with all Sonoff and SmartWise devices

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:

Sonoff Basic R4 – an affordable, safe and smart solution for quickly automating the electrical devices in any home!