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Sonoff Basic R4 Relay Module

7,30  incl. VAT 24%

  • Remote control through eWeLink app (iOS and Android)
  • Scheduled on/off switching
  • Physical push button switch for local control
  • Share remote access with family members or friends
  • Compatible with Sonoff’s eWeLink-Remote remote controllers (S-MATE / S-MATE2 modules, R5 wireless switch)

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Introducing the Sonoff Basic R4: The Ultimate Smart Switch

Take control of your home appliances like never before with the Sonoff Basic R4, our entry-level smart switch that’s packed with features and functionality. This WiFi + Bluetooth enabled relay switch module is designed to make it easy to turn on/off electrical devices remotely using our eWeLink app for iOS and Android.

Key Features:

  • Remote control through eWeLink app (iOS and Android)
  • Scheduled on/off switching
  • Physical push button switch for local control
  • Share remote access with family members or friends
  • Compatible with Sonoff’s eWeLink-Remote remote controllers (S-MATE / S-MATE2 modules, R5 wireless switch)

Smart Features:

  • Timing functions: set specific times, recurring times, countdown timer/timer, and cycle
  • Timed shutdown: automatically shut down devices at a set time after each power on
  • Pulse switching: switch devices for a short period of time (e.g. 0.5 or 1 second)
  • Grouping and room organization in the eWeLink app

Voice Control Integration:

  • Compatible with Amazon Alexa, Google Assistant, and Google Nest for voice control

Perfect for:

  • Smart control of household devices that don’t need to be on all the time (e.g. aquarium circulator or aerator)
  • Conveniently turn on appliances remotely before you get home
  • Save energy and money by timing off devices when not in use

Note: The Sonoff Basic R4 does not have an external thermometer/humidity sensor input, so if you need temperature range or humidity level control, consider our Sonoff TH relay series instead.

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Communication Protocol

Bluetooth, WiFi

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Sonoff Basic R4 Relay Switch Module WiFi Bluetooth

Sonoff Basic R4 Relay Module

7,30  incl. VAT 24%

In Stock