THIRDREALITY Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec…
THIRDREALITY · 1 more pick →
Best for
Best Zigbee / Z-Wave
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$13.99
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the THIRDREALITY Zigbee Contact Sensor earns a reputation as a no-frills, low-cost workhorse for open-platform Zigbee setups. At under $14 it carries a 4.4-star average across more than 1,100 verified ratings, and its listing emphasizes broad compatibility with Home Assistant, SmartThings, Aeotec, Homey, Hubitat and Echo devices with a built-in Zigbee hub. The sensor's appeal is squarely for the DIY and tinkerer crowd that already runs a Zigbee coordinator, echoing the broader r/homeassistant sentiment we read elsewhere that hub-paired Zigbee sensors are "small, fast, cheap, and work really well." The caveat is that no expert reviews or community threads for this exact product appeared in our signals, so the verdict rests entirely on its customer-review track record.
What reviewers liked
- Low price point (around $14) with a solid 4.4-star customer average
- Explicit compatibility with Home Assistant, SmartThings, Hubitat, Aeotec and more
- Appeals to open-platform DIY Zigbee setups
Where it falls short
- Requires an existing Zigbee hub or coordinator
- No expert or community reviews appeared in the available signals
- Fewer than half the reviews of the top Aqara pick
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Across the reviewers we read, the THIRDREALITY Zigbee Contact Sensor earns a reputation as a no-frills, low-cost workhorse for open-platform Zigbee setups. At under $14 it carries a 4.4-star average across more than 1,100 verified ratings, and its listing emphasizes broad compatibility with Home Assistant, SmartThings, Aeotec, Homey, Hubitat and Echo devices with a built-in Zigbee hub.
The sensor's appeal is squarely for the DIY and tinkerer crowd that already runs a Zigbee coordinator, echoing the broader r/homeassistant sentiment we read elsewhere that hub-paired Zigbee sensors are "small, fast, cheap, and work really well." The caveat is that no expert reviews or community threads for this exact product appeared in our signals, so the verdict rests entirely on its customer-review track record. Buyers without an existing Zigbee hub will need one to use it.
- Zigbee Standard Compatible Door Sensor
- Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in. Such as Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Show 8 Gen3, Echo Show 10 (Gen2 and Gen3).Echo Studio, Eero 6, Eero Pro 6, Home Assistant, SmartThings 2015/2018, Aeotec, Hubitat, Homey Bridge, Homey Pro, Third reality Hub and Third Reality Smart Bridge.
- Hassle-Free Setup
- Installs in a few seconds. Just make sure device in paring mode and compatible Echo device automatically discovers it by saying “Alexa, discover devices”.
- SUIT FOR MOSTLY DOORS AND WINDOWS OF THE HOUSE AND 2-YEARS LONG BATTERY LIFE: Door Sensor uses two AAA 1.5V Alkaline batteries for power, the batteries can last for up to 2 years and it is very easy to replace them. Note: Indoor use only and do not install the Door Sensor on metal door or window.
- More Fun With Alexa Routines
- Using the Alexa app, create your own routines that are triggered When door or window is open, turn on a light, send an alert to your phone, let Alexa make a voice alarm or make a joke, etc.
- Upgraded Third Reality App And Skill Functions
- Connected with Third Reality Hub/Speaker, you can check the battery level in the APP, then replace the batteries in time; history record is also open to the users, so you can know when the state of the movement has been detected and deal with it in time. Enabled Third Reality Skill in the Alexa APP, you will have a low battery warning by emails.
- More Smart Assistant Supported
- Enabled by Smart Bridge MZ1 (Sold Separately), integrates with Apple HomeKit, Google Home, Amazon Alexa (Smart Speaker required) and SmartThings, to achieve easy control and monitoring. Additionally, it supports software OTA (Over-The-Air) updates, allowing for effortless firmware upgrades
If the consensus convinced you
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