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ThirdReality Smart Presence Sensor R3

ThirdReality / R3

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ThirdReality Smart Presence Sensor R3, product photo
Image: ThirdReality

Does the ThirdReality Smart Presence Sensor R3 work with HomeKit, Alexa, and Google Home?

The ThirdReality Smart Presence Sensor R3 detects presence with a 60 GHz mmWave radar.

It is a Zigbee 3.0 sensor that takes USB-C power. It also has a built-in RGB status light, an ambient light sensor, TVOC air quality monitoring and a Zigbee repeater. It suits Alexa users, with native support through Zigbee. SmartThings and Home Assistant users reach it through an integration (Zigbee).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Yes[1]
Zigbee, native
SmartThings
Yes[1]
Zigbee, via integration
Home Assistant
Yes[1]
Zigbee, via ZHA or Zigbee2MQTT

Key facts

ThirdReality Smart Presence Sensor R3 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$49.99[1] as of
TypePresence[1]
RadioZigbee 3.0[1]
PowerUSB-C, 5 V 1 A[1]
Hub neededZigbee hub required[1]

Integration paths

How the ThirdReality Smart Presence Sensor R3 connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
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 Smart Presence Sensor R3

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Zigbee/Z-Wave[3]zigbee2mqttZigbee
  • Works with Home Assistant: Not certified[3]
Model namedNone stated
HomeyOfficial app (local)[2]com.thirdreality.appZigbee
  • App: Official[2]
  • Runs on: Homey Pro, Homey Cloud[2]
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 Smart Presence Sensor R3. Smart Home Canon. https://smarthomecanon.com/devices/thirdreality-smart-presence-sensor-r3. Last checked 2026-10-20.

Sources

  1. [1]
    MFRthirdreality.com / Smart Presence Sensor R3 - ThirdReality store
    Accessed Back to text
  2. [2]
    DOChomey.app / Homey App Store: Third Reality
    Accessed Back to text
  3. [3]
    DBzigbee2mqtt.io / Third Reality 3RPL01084Z control via MQTT | Zigbee2MQTT
    Accessed Back to text