meross Matter Presence Sensor MS605, Battery-Powered 4-in-1 Smart Motion Sensor with AI Learning, IP67 PIR & Light & mmWave Radar, Matter Over Thread, Supports Home Assistant, HomeKit, Alexa (2 Pack)

1Nordic Co-Engineered2Customizable Zoning1Matter LAN Control2Intrusion App Alerts3Pet Anti-False-Trigger




Pairing with Apple Home (Matter) fails with the message "Device could not be found." What should I do?
1.Long-press the button on the MS605 for 5 secondsuntil the LED starts flashing orange.
2.The orange blinking confirms Matter pairing mode is active.
3.Scan the Matter code again in Apple Home.
4.The device should now be discoverable.

Can I still use the Meross App after connecting the device to a Home Assistant via Matter?
Yes. You can still connect via the Meross App using Bluetooth. Bluetooth is awakened by:
*Pressing the physical button on the sensor.
*A state change from "Vacant" to "Occupied"(e.g., someone walking past).

Are all advanced settings only configurable in the Meross App?
es. Advanced sensing features such as**Space Learning, sensitivity
adjustments, zone setup, and custom automation logic**can**only**be configured in the Meross App. The Matter protocol does not expose these configuration options.

Are the settings I configure in the Meross App saved to the device itself?
Yes. All settings(zones, sensitivity, logic, etc) are permanently saved locally on the MS605 sensor. Once saved, these optimizations continue to work automatically when the device is connected to Apple Home, Google Home, Alexa, Home Assistant.

Pairing with Apple Home (Matter) fails with the message "Device could not be found." What should I do?
Can I still use the Meross App after connecting the device to a Home Assistant via Matter?
Are all advanced settings only configurable in the Meross App?
Are the settings I configure in the Meross App saved to the device itself?