Universal Smart Home Control, Seamlessly Unified Experience a new era of home automation where your lights and devices respond instantly across all major ecosystems—no more juggling apps or locked-in ecosystems.
Matter Protocol Support: Industry-standard connectivity ensures your devices work together effortlessly across platforms.
Multi-Platform Compatibility: Seamlessly integrates with Alexa, Google Home, and Apple HomeKit for unified control.
WiFi Connectivity: Direct connection to your home network—no hubs or bridges required.
Compact Relay Design: Fits discreetly behind existing switches for clean, uncluttered installation.
Enhanced Performance: "Extreme" designation delivers improved processing speed and reliability for more responsive automation.
Voice Control Ready: Works with your preferred virtual assistant for hands-free operation throughout your home.
Sonoff Mini R4 Extreme is a compact ESP32-based smart relay (ESP32 MCU, relay output, external switch input) with Matter support and a 10A mains relay. It excels for behind-switch installations and local flashing (pins exposed, esptool/ESPHome compatible), but has trade-offs: requires careful soldering/programming and is limited to 10A mains loads (safety/deployment implications). Good choice for DIY smart-home integrators wanting Matter and firmware flashing capability.
For DIYers and Home Assistant users who want an ESP32/Matter-capable hidden relay and comfortable soldering; avoid if you lack soldering skills or need >10A mains support.
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