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ThirdReality Motion Sensor

ThirdReality

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ThirdReality Motion Sensor, product photo
Image: ThirdReality

Does the ThirdReality Motion Sensor work with HomeKit, Alexa, and Google Home?

The ThirdReality Motion Sensor detects movement up to about 6 meters (20 feet) away.

It is a Zigbee sensor described as pet friendly, and two AAA batteries are rated for about 2 years. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users through an integration (a Matter bridge).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter via Bridge, via integration
Google Home
Yes[1]
Matter via Bridge, via integration
Alexa
Yes[1]
Matter via Bridge, via integration; 1 other path
SmartThings
Yes[1]
Matter via Bridge, via integration; 1 other path
Home Assistant
Yes[1][2]
Matter via Bridge, via integration; 1 other path

Key facts

ThirdReality Motion Sensor facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$19.99[1] as of
TypeMotion[1]
RadioZigbee[1]
Power2 AAA batteries[1]
Hub neededZigbee hub required[1]

Integration paths

How the ThirdReality Motion Sensor connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter via BridgeThirdReality Smart Bridge MZ1 (sold separately)[1]unknownunknown
ZigbeeHUBA Zigbee hub or an Echo device with a built-in Zigbee hub[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the ThirdReality Motion Sensor

3 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Zigbee/Z-Wave[3][4]zigbee2mqttZigbee
  • Works with Home Assistant: Not certified[3][4]
Model namedNone stated
Home AssistantVia Matter bridge[1][2]matterMatter via Bridge
  • Quality: No score[1][2]
  • IoT class: Local Push[1][2]
  • Works with Home Assistant: Not certified[1][2]
Model namedLimited: Not every device behind a Matter bridge is guaranteed to work[1][2]
HomeyOfficial app (local)[5]com.thirdreality.appZigbee
  • App: Official[5]
  • Runs on: Homey Pro, Homey Cloud[5]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

ThirdReality Motion Sensor. Smart Home Canon. https://smarthomecanon.com/devices/thirdreality-motion-sensor. Last checked 2026-10-20.

Sources

  1. [1]
    MFRthirdreality.com / Motion Sensor - ThirdReality store
    Accessed Back to text
  2. [2]
    DOChome-assistant.io / Matter - Home Assistant
    Accessed Back to text
  3. [3]
    DBzigbee2mqtt.io / Third Reality 3RMS16BZ control via MQTT | Zigbee2MQTT
    Accessed Back to text
  4. [4]
    DOChome-assistant.io / Third Reality - Home Assistant
    Accessed Back to text
  5. [5]
    DOChomey.app / Homey App Store: Third Reality
    Accessed Back to text