Meross Smart Presence Sensor MS605
A Thread-based, triple-sensor presence detector with flexible mounting, long battery life, and customizable multi-zone detection for precise whole-home automations.
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Information
| Maker | Meross |
| Category | Occupancy Sensor |
| Status | released |
| Product Page | https://shop.meross.com/products/thread-presence-sensor-ms605 |
| Date Released | 2025-11-20 |
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This upgraded Matter-over-Thread presence sensor combines radar, infrared, and ambient light detection to deliver highly accurate motion and presence sensing without relying on Wi-Fi or a proprietary hub.
The MS605 uses a Nordic Thread chipset and merges millimetre-wave radar with infrared detection to recognize both subtle human presence and typical motion. A built-in light sensor reports real-time brightness changes to Matter platforms, enabling more responsive automations. The foldable, fully rotatable stand supports ceiling, wall, or corner placement, while the IP67 waterproof housing and 3-year CR123A battery allow it to function reliably in areas ranging from humid bathrooms to cold basements and hot attics. It detects motion up to 6 m and precise presence within 4 m, making it suitable for anything from bedrooms to studies.
Through Matter over Thread, it connects directly to Apple Home, Google Home, Alexa, SmartThings, and Home Assistant, offering low-latency, local-only control. In the Meross app, the sensing area can be divided into three customizable zones that appear as separate sensors in third-party platforms, allowing layered automations such as lighting sequences or presence-based scene changes.
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Specifications
| Manufacturer Part Number | 42020110 |
| Label | Smart Presence Sensor |
| Certification ID | CSA25952MAT47268-24 |
| Latest Firmware Version | 1.1.19 |
| Matter Version | 1.4 |
| Support URL | https://www.meross.com/en-gc/support/contact/ticket |
| Network | Thread, Bluetooth |
| Thread Device Type | Sleepy End Device |
| Market | Consumer |
| Software Versions |
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Firmware Version
The latest certified firmware version for this product.
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| Hardware Version | 9.0 |
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Compliance Document
This is the official XML document certifying compliance.
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| Matter Specification Version | 1.4 |
| Transport Interface | |
| Primary Device Type ID | |
| Battery Type | CR123A |