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We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days from delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
The THIRDREALITY Zigbee Contact Sensor 4 Pack is a compact door and window monitor designed to elegantly blend with your living space while keeping you informed. Built to work with Zigbee hubs and Echo devices that have a built-in Zigbee hub, these sensors provide reliable status readings for doors and windows without a bulky footprint. Each sensor attaches to the door frame or window frame with a discreet housing and uses a magnetic contact to detect when a boundary is opened or closed.
With a focus on practical smart home integration, this kit is ideal for households looking to add basic monitoring, automate routines, and stay in the loop about entry points. The sensors communicate through standard Zigbee protocols, so you can wire them into a broader network that already includes your preferred hub or smart speaker lineup.
Pair the sensor with compatible voice assistants to create routines that respond to door or window activity. For example, you can trigger a light when a door opens, receive a notification on your phone, or have Alexa announce or alert you in a customized way. These possibilities are designed to be flexible and user-driven, offering convenience without guarantees.
Using the Third Reality app and Alexa skill, you can check battery levels, review historical activity, and receive low-battery warnings by email. OTA firmware updates keep the hardware moving forward with improvements and new features through a connected hub or bridge.
When paired with the optional Smart Bridge MZ1, the sensors can integrate with Apple HomeKit, Google Home, and SmartThings for broader control and monitoring. Firmware updates can be delivered over-the-air for a smoother, ongoing experience with your setup.
This 4-pack is a practical choice for monitoring multiple entry points and growing your smart home ecosystem with a dependable, easy-to-use sensor set.
Q: What hubs are compatible with the THIRDREALITY Zigbee Contact Sensor 4 Pack?
A: Compatible with Zigbee hubs and Echo devices with built‑in Zigbee hubs, plus Home Assistant, SmartThings, Hubitat, and more.
Q: How long do the batteries last in this sensor?
A: Uses two AAA alkaline cells; expected life up to 2 years with typical indoor use.
We offer free shipping on all products across Canada. Orders are typically prepared within 1–2 business days. After dispatch, delivery usually takes 3–5 business days. For remote or hard-to-reach areas, delivery may take 5–7 business days.
We may ship with Asendia, UniUni, Purolator, FedEx, or Canada Post depending on your address, package size, and the item’s handling requirements. P.O. Boxes are accepted where the selected carrier supports them.
We accept returns on most items within 30 days of delivery. Items must be returned in the condition you received them (new, unused, and with original packaging where applicable). If you receive the wrong or defective item, we’ll make it right.
To start a return, please email us at handyskook@gmail.com with your order number and a brief description of the issue. We’ll reply within 1 business day with the next steps.
Once your return is received and inspected, we’ll process your refund to the original payment method. Processing times can vary by payment provider, but most refunds are completed within 5–10 business days after approval.
When your order ships, you’ll receive a confirmation email with tracking details (when available). If you need help locating your tracking information, contact us at handyskook@gmail.com.
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