Zigbee Thirdreality Door Sensor
Works with your system
Based on manufacturer compatibility lists, our own tests and shared wireless standards.
SmartThings needs a driver for this device; Homey needs the brand’s Homey app.
See all controllers (7)
- Aeotec Smart Home Hub (SmartThings) Listed by the manufacturer
- Aeotec Smart Home Hub 2 (SmartThings) Listed by the manufacturer
- Hubitat Elevation (C-8, C-8 Pro) Listed by the manufacturer
- Home Assistant Listed by the manufacturer
- Homey Pro Works with limits
- Homey Pro mini Works with limits
- Nice Yubii Home Pro Works with limits
Compatibility Guarantee If it doesn't work with your system, return it within 30 days for a refund.
You'll also need
Home Assistant needs a Zigbee adapter to talk to Zigbee devices; Home Assistant Yellow has one built in, Home Assistant Green does not.
Needed with: Home Assistant
Fast Tracked EU Delivery
Fast Tracked EU Delivery
Tracked delivery in 3–7 working days, with courier and express options at checkout.
VAT and any import duty are paid at checkout, so there's nothing to pay on delivery.
In-stock items ordered before 2:30pm (UK time) ship the same working day.
Smart Home Help When You Need It
Smart Home Help When You Need It
Transform your home into a smart one with us, and gain more than just a product.
You'll get set-up help and answers from our smart home team by email and live chat, plus a wealth of guides to help with any technical questions.
Compatibility Guarantee
Compatibility Guarantee
If Zigbee Thirdreality Door Sensor doesn't work with your existing system, you can return it within 30 days for a refund under our returns policy.
Request the return from your account and we'll send you an RMA number and instructions.
Summary
The door and window sensor works with compatible Echo devices for easy setup and smart automation. It lets you monitor doors and windows, get instant alerts, and create fun Alexa routines like lights, alarms, or jokes. With the Third Reality app and Hub/Speaker, you can also check battery levels and view history records for better control and maintenance.
Get more fun out of Alexa Routines
Use the Alexa app to build your own automations that trigger when a door or window opens—like turning on a light, sending a phone alert, playing a voice alarm, or even having Alexa crack a joke.

Easy Installation & Smart Functions
The door and window sensor works with compatible Echo devices for easy setup. Monitor doors and windows, get instant alerts on your phone, and create smart routines based on open/close status.

More Fun With Alexa Routines
Use the Alexa app to create custom routines that trigger when a door or window opens—turn on lights, send phone alerts, play voice alarms, or even have Alexa say something fun like a joke.

When connected with the Third Reality Hub/Speaker, you can easily check battery levels in the app and replace batteries on time. The app also provides history records, so you can see when motion was detected and take action when needed.

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Device Type
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Load FeaturesMagnetic Contact Detection, Adhesive Pad Mounting, Up to 2 Years Battery Life
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Sensor FeaturesContact
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FeaturesZigbee 3.0, Compact Design, Easy Wireless Installation, Real-Time Notifications & Alerts, Custom Automations & Scenes
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Battery Type
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TechnologyZigbee 3.0
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Operating Temperature
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Dimensions
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IP Rating
Helpful guides for this product
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Complete Home Automation Guide: Systems, Devices & Setup for BeginnersWhat a smart home is, the first decisions to make, a sensible first kit and mistakes to avoid.
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Smart Home Sensors Guide: 9 Types for Complete Home MonitoringNine sensor types explained, PIR vs mmWave, placement, battery life and what to automate.
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Choosing Smart Home Heating Controls (Zigbee, Z-Wave & WiFi)Smart TRVs, thermostats and boiler switching explained, with zoning, schedules and underfloor heating.
Manuals
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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Frequently Asked Questions
What if it's incompatible with my existing smart home system?
What if it's incompatible with my existing smart home system?
If you try Zigbee Thirdreality Door Sensor and find it isn't compatible with your system, you can return it within 30 days for a refund.
How can I get technical support for it?
How can I get technical support for it?
Set-up help and answers from our smart home team by email and live chat. Just get in touch with any technical question you have.
Do you offer installation services?
Do you offer installation services?
While we don't offer direct installation services, we provide online support through guides, videos, and help from our smart home team by email and live chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.
What if I struggle with installing or using after purchase?
What if I struggle with installing or using after purchase?
Just get in touch. Our smart home team can help you work through set-up and troubleshooting by email and live chat, and our guides and videos cover set-up for many devices. Most problems can be sorted quickly with the right steps.
How quickly will I receive my order?
How quickly will I receive my order?
Orders placed before 2:30pm on a working day are dispatched the same day. In the UK, Standard delivery takes 2 to 4 working days and Express is a next-day service. If your order includes a Vesternet device, choose Standard at checkout and we upgrade the whole order to next-day at no extra cost. For orders outside the UK, delivery options and times are shown at checkout.
Why should I choose to buy from Vesternet over other online stores?
Why should I choose to buy from Vesternet over other online stores?
When you buy from Vesternet, you're not just purchasing a product. You get set-up help and answers from our smart home team by email and live chat, plus guides for the products we sell. While there might be cheaper options online, home automation can be complex, and good advice can prevent costly mistakes.
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