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THIRDREALITY Smart Motion Sensor

Hubs & Platforms

THIRDREALITY Smart Motion Sensor

$47.75lowest, at Amazon AU

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About this product

This Zigbee-compatible motion sensor detects movement up to 6 metres away and works with compatible Echo devices, SmartThings, Home Assistant and other hubs. It runs on two AAA batteries lasting around two years, mounts to walls indoors, and lets you create automation routines through the Alexa app to control smart lights and receive notifications.

Highlights

  • ColorWhite
  • Power SourceBattery Powered
  • Battery Description2 AAA Alkaline batteries
  • Battery Average Life730 days
  • Item Dimensions D x W x H20D x 27W x 90H millimetres
  • Item Weight1.83 Ounces

Features and specifications in this description are as the brand describes them.

Overview

The THIRDREALITY Smart Motion Sensor is a Zigbee-compatible motion detector designed for indoor use with compatible smart-home hubs. It works with a range of Zigbee hubs and Echo devices with built-in Zigbee support, including Echo (4th Gen), Echo Plus, Echo Studio, Eero 6, SmartThings, Home Assistant, Hubitat, and Homey systems. The sensor can also integrate with Apple HomeKit, Google Home and additional platforms when paired with the separately sold Smart Bridge MZ1.

The sensor is listed with a detection range of up to six metres and is powered by two AAA batteries, which the manufacturer states can last up to two years under typical usage. Setup is described as straightforward, with compatible Echo devices able to discover the sensor automatically when placed in pairing mode. The unit measures 20 by 27 by 90 millimetres and includes double-sided tape and screws for wall mounting.

Key features

  • Zigbee hub compatibility: Works with a wide range of Zigbee hubs and Echo devices with built-in Zigbee, including Echo (4th Gen), Echo Plus, Echo Studio, SmartThings, Home Assistant, Hubitat and Homey systems.
  • Routine automation: Enables users to create routines in the Alexa app that trigger actions such as turning on smart lights or sending custom messages when motion is detected.
  • Detection range: The brand lists a motion detection range of up to six metres for indoor environments.
  • Battery life: Powered by two included AAA batteries, which the manufacturer says can last up to two years in typical use.
  • Quick installation: Designed for wall mounting with included tape and screws; compatible Echo devices can discover the sensor automatically during pairing.
  • Extended platform support: When used with the separately sold Smart Bridge MZ1, the sensor can integrate with Apple HomeKit, Google Home and Amazon Alexa smart speakers.

Price history: THIRDREALITY Smart Motion Sensor

Lowest price we recorded across Australian retailers, last 30 days.

Now
$47.75
30-day low
$47.75
30-day high
$47.75
Change
No change
17 Oct28 Oct

We began recording on 17 Oct, so this shows 12 days so far. Prices are checked on retailer pages and can change at any time; confirm on the retailer's site.

Where to Buy THIRDREALITY Smart Motion Sensor in Australia

Compare stock availability and AUD pricing across verified Australian retailers. Prices checked 16 October 2026 — confirm on the retailer's site.

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