Sonoff BASICR4 WiFi ESP32 Chip Smart Switch
The Sonoff BASICR4 is a WiFi smart switch powered by an ESP32 chip, enabling remote and local control of lighting and appliances via the eWeLink app, voice assistants, and Matter-compatible ecosystems.
Features
- ESP32-Powered for fast, reliable WiFi 2.4GHz connectivity and local processing.
- Remote & Local Control via app, wall switch, or paired S-MATE2/R5 for two-way operation.
- Built-in Overheating Protection with a temperature sensor for enhanced safety.
- Fire-Retardant PC V0 housing tested for durability in extreme environmental conditions.
- Matter-Compatible when used with a Sonoff Bridge for integration with Apple HomeKit and Siri.
Out of stock
The Sonoff BASICR4 WiFi Smart Switch leverages the dual-core processing power and robust wireless capabilities of the ESP32 chipset to deliver a responsive and reliable smart home control node. Its architecture supports both traditional manual switching and advanced IoT automation, connecting seamlessly to 2.4GHz WiFi networks for remote management via the eWeLink app, scheduling, and scene creation.
Engineered for safety and longevity, the device incorporates a real-time thermal monitoring sensor to prevent overheating risks and is encased in a fire-retardant PC V0 material. It has undergone rigorous testing for abrasion, salt spray, drop, and temperature cycling, ensuring stable operation in demanding residential and light commercial environments. The switch integrates into broader Matter-based ecosystems when paired with a Sonoff Bridge, enabling unified control across platforms.
Additional Information
| Weight | 0.0458 kg |
|---|---|
| Dimensions | 8.8 × 3.9 cm |















