- 【ESP32 Chip】Newly upgrade the chip, enhance the basic function, and increase the performance while keeping a reasonable price.
- 【Magic Switch Mode】You can still control the light switch through the app even turning off a traditional wall switch. No matter the wall switch or app remote control, you can enjoy the smart world.
- 【“eWeLink-Remote” Control】BASICR4 is a smart switch with the gateway function of “eWeLink-Remote”. You can add “eWeLink-Remote” sub-devices, use S-Mate2 or R5 to pair with BASICR4, and then set the scene, you can reach the two-way control and local control.
- 【Group Control】You can set groups to control multiple devices at the same time for convenience.
- 【Safe and Reliable】With the product’s built-in temperature sensor, the real-time maximum temperature of the entire product can be detected and speculated, which prevents the product from deformation, melting, fire, or live devices from exposure in case of over-temperature. BASICR4 has obtained CE, FCC, ETL etc certifications.
SONOFF BASICR4 Wi-Fi Smart Switch,DIY Module for Smart Home Automation Solution,
- Product Dimensions : 8.8 x 3.9 x 2.4 cm; 59 g
- Date First Available : 28 August 2024
- Manufacturer : SONOFF
- ASIN : B0CG8XDJ35
- Item model number : BASICR4
- Best Sellers Rank: #9,446 in DIY & Tools (See Top 100 in DIY & Tools)
- #110 in Switches & Dimmers
- Customer reviews:
4.4 4.4 out of 5 stars 1,558 ratings



















