Meross Matter over Thread Presence Sensor MS605 Battery Powered Smart Motion 3-Zone mmWave IP67 PIR with Works Home Assistant, Apple HomeKit, Alexa & Google

Alexa Compatibility Important Reminder: Please update the firmware via the Meross App before pairing with Alexa. This presence sensor requires a compatible Thread border router for connection. You can find the list of currently supported Thread-enabled Matter controller models in the product images. Upgraded 3-in-1 True Human Presence Detection – No More False Switch-Offs: The MS605 is a next-generation presence sensor built on the latest Matter over Thread protocol with an advanced Nordic chipset. It is a precision smart motion sensor combining mmWave radar, PIR and light sensing for accurate human detection rather than simple motion triggering. The mmWave radar sensor recognises subtle micro-movements such as breathing, while the infrared sensor filters interference from fans, curtains or robot vacuums. Used for keeping lights on while sitting still and reading or working. Ideal for reliable smart home device automation. Matter over Thread – Stable Local Control: The motion detector's Quick Bluetooth setup via the Meross app lets you easily achieve fine-grained, personalized device configuration. Then connects through a compatible Thread Border Router to run locally and privately on your preferred platform (Apple Home, Alexa, Google Home, SmartThings and Home Assistant) — no Meross hub, 2.4GHz Wi‑Fi, or ongoing app use required. It is a certified Matter device capable of operating even if the internet connection is interrupted. No image, audio or mapping data is collected, helping protect privacy within your smart home system. Suitable for users building a future-ready ecosystem of smart devices. Battery Powered & IP67 Rated – Flexible Installation Anywhere: The smart sensor features a long-lasting CR123A battery with up to 3 years of performance and an IP67 waterproof rating. Operating temperature ranges from –20°C to 60°C. Has the attributes of durable weather resistance and stable operation in humid, cold or hot environments. Used for bathrooms, basements, hallways, lofts and stairways without wiring concerns. The adjustable 90° foldable stand and 360° rotating base support wall, ceiling or corner mounting. Capable of detecting motion up to 6m and precise human presence within 4m. Ideal for households seeking a wireless motion sensor solution. Three-Zone Smart Scene Control – Personalised Room Automation: This is an advanced smart motion sensor and presence sensor that divides detection into three customised zones in the Meross app. On supported platforms, each zone appears as an independent sensor for detailed automation programming and enhanced scene control.Supports custom sensitivity adjustment, allowing fine-tuning of trigger thresholds with a convenient one-tap “Auto Adjust” function to optimise responsiveness. It can be used for bedside lamps, desk lighting, hallway lighting or zoned automation, and is ideal for multi-room homes seeking personalised lighting within a connected smart home ecosystem. Smart Lighting & Home Security Automation – Safe and Reassuring: The Alexa motion sensor includes built-in light detection to monitor ambient brightness changes and instantly report data directly to the Matter platform (Note: Alexa currently does not support the light sensor). Used for activating lighting when ambient light falls below your set level. Ideal for bathroom night lighting, bedroom night lighting and stair safety lighting. Used with compatible alarm system setups and smart speakers to trigger presence-based alerts. Capable of supporting everyday home monitoring without cameras, enhancing security while protecting privacy in your smart home., Weight: 0.1873929227 pounds, Manufacturer: meross