Meross MS605 Presence Sensor: Cordless, Battery-Powered, and Matter-over-Thread (2025)

Meross is shaking things up with its new MS605 presence sensor, cutting the cord and embracing battery power! But here's the twist: it's not just about convenience. This sleek device is a game-changer for smart homes, especially for those who want to keep an eye on things without being restricted by power outlets.

The MS605 is a significant upgrade from its predecessor, the MS600, which required a power cord. Now, with a single CR123A battery, the sensor can operate for up to three years, although battery life may vary depending on usage. Imagine the freedom to place it anywhere, indoors or outdoors, without worrying about unsightly wires! And at a discounted price of $34.99 for a limited time, it's an offer that's hard to resist.

But here's where it gets technical... The battery-powered magic is enabled by Matter over Thread, a low-power protocol. This means the sensor can communicate with your smart home ecosystem via a Thread-capable hub, like Google Home, Apple Home, or Alexa. And the best part? You're not locked into a specific brand, as it works with various hubs, not just Meross's own.

The MS605 retains the same versatile design as the MS600, with an articulated mounting plate for flexible positioning. It's also IP67 waterproof, making it suitable for outdoor use. Its advanced sensors, including light, PIR, and 24GHz mmWave radar, ensure accurate detection of human presence and motion while ignoring inanimate objects. However, there's a trade-off: the battery-powered version has a reduced range of 6 meters for motion and 4 meters for presence detection, compared to the MS600.

So, is the MS605 the ultimate solution for smart home enthusiasts? It certainly offers convenience and flexibility. But what about the reduced range? Is it a fair compromise for the freedom of battery power? Share your thoughts in the comments below! Are you ready to embrace the cord-cutting revolution, or do you prefer the extended range of wired sensors?

Meross MS605 Presence Sensor: Cordless, Battery-Powered, and Matter-over-Thread (2025)
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