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New Video – Sensereo MSC-1 Review: The First Matter over Thread Smoke & CO Alarm

By Mark's Tech Blogs

8th April 2026

The Sensereo MSC-1 is the first Matter over Thread smoke and carbon monoxide alarm I’ve come across — and it fills a gap that’s been there for a while, especially since Google discontinued the Nest line.

Pick one up here: https://bit.ly/4bssDRy

In this review I cover the specs, how it pairs with Apple Home and Home Assistant, what it actually exposes to each platform, and where it falls short.

I tested this with Apple Home and Home Assistant. It pairs cleanly, exposes real-time CO readings and battery levels, and lets you build automations around both smoke and CO detection. The one thing missing for Apple Home users is scheduled self-testing — that’s currently Home Assistant only.

At $70 it’s more expensive than the smoke-only options from Aqara and Meross, but it combines two sensors and costs less than the Nest ever did.
Sensereo sent me this unit to review.

#MatterOverThread #SmartHome #AppleHome #HomeAssistant #SmartHomeReview

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