THIRDREALITY Zigbee Door & Window Sensor — Echo & Home Assistant Compatible

Meet the THIRDREALITY Zigbee Door & Window Sensor, a compact, battery-powered monitor designed to keep track of entry points without clutter. With Zigbee standard compatibility and the option to work with Echo devices that have built-in hubs, it fits neatly into a variety of smart home ecosystems. The sensor is designed for everyday life, delivering subtle signals when doors and windows move, so you can stay informed without being overwhelmed by tech.

Seamless compatibility at a glance

• Zigbee standard compatible with compatible hubs or Echo devices with built-in Zigbee hubs; examples include Echo 4th Gen, Echo Plus, Echo Show 8, and more.
• Works with popular ecosystems such as Home Assistant, SmartThings, Aeotec, Hubitat, Homey Bridge, Homey Pro, Third Reality Hub, and Third Reality Smart Bridge.

The setup is purposefully straightforward so it fits into real life. Whether you already rely on a central hub or an Echo device with Zigbee, the sensor is designed to slot into your routine with minimal friction.

Hassle-free setup

• Installs in seconds; place in pairing mode and say Alexa, discover devices to automatically add it.
• Third Reality app and skill extend visibility; check battery level, view history, and receive low battery warnings via email when enabled.

Designed for quick, everyday use, the sensor’s compact form sits almost invisibly on doors or windows. A gentle click as the door closes becomes a reliable cue in your smart scene, while the hub keeps a running log so you can review events at a glance.

Battery life and installation tips

• Uses two AAA 1.5V alkaline batteries, with up to two years of power and easy replacement.
• Indoor use only; avoid metal doors or windows for best results.

When the time comes to replace batteries, the process is simple: open the housing, swap both cells, and reseal. The device continues to report status after power is restored, helping you stay informed without interruption.

Alexa routines and smart scenes

• Integrate with Alexa to trigger lights, alerts, voice alarms, or custom routines when a door or window opens.

Smart app, updates, and compatibility

• The Third Reality app shows battery level and event history for proactive upkeep.
• Over-the-air firmware updates keep firmware current for better performance and future features when used with compatible hubs.

Broader ecosystem support

• Optional Smart Bridge MZ1 enables deeper integration with Apple HomeKit, Google Home, and other platforms alongside Alexa and SmartThings.
• OTA updates and ongoing skill integrations simplify control from a single app or voice assistant.