SONOFF MINI-R4 Extreme Wi-Fi Smart Switch – ESP32, Ultra-Compact, Detach Relay, eWeLink-Remote Ready

The SONOFF MINI-R4 is the smallest Wi-Fi smart switch yet, designed to fit even the most compact mounting boxes, including European standard boxes. Powered by the high-speed ESP32 chip, it delivers superior performance, low-latency control, and enhanced reliability. It supports multiple external switch types, features Detach Relay mode for advanced switching control, and acts as a gateway for eWeLink-Remote devices like R5 or S-MATE, making it ideal for any modern smart home setup.

• Ultra-compact design: fits tight spaces (only 39.5×33×16.8mm)

• ESP32 chip: faster, more reliable performance

• Compatible with various switches: momentary, SPDT, latching, door exit, dry contact

• Detach Relay mode: switch and relay operate independently

• Acts as eWeLink-Remote gateway: supports sub-devices like R5/S-MATE

• Voice control via Alexa and Google Assistant

• Supports timers, delay power-on, and smart scenes

• Input/output: 100–240V~ 50/60Hz, 10A Max

• Material: Flame-retardant PC V0