---
product_id: 473257087
title: "Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required"
brand: "thirdreality"
price: "302.63 DT"
currency: TND
in_stock: true
category: "Thirdreality"
url: https://www.desertcart.tn/products/473257087-zigbee-contact-sensor-door-and-window-monitor-home-automation-works
store_origin: TN
region: Tunisia
---

# Zigbee 3.0 compatible 2-year battery life OTA firmware updates Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

**Brand:** thirdreality
**Price:** 302.63 DT
**Availability:** ✅ In Stock

## Summary

> 🚪🔒 Stay ahead of home security—because your smart home deserves smarter sensors!

## Quick Answers

- **What is this?** Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required by thirdreality
- **How much does it cost?** 302.63 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/473257087-zigbee-contact-sensor-door-and-window-monitor-home-automation-works)

## Best For

- thirdreality enthusiasts

## Why This Product

- Trusted thirdreality brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Alexa Routines:** Trigger smart home actions like alerts, lights, or voice alarms the moment a door or window opens.
- • **Ultra-Long Battery Life:** Powered by two AAA batteries lasting up to 2 years—set it and forget it with minimal maintenance.
- • **Smart Monitoring & Alerts:** Track battery status and event history via Third Reality app; receive low battery warnings by email.
- • **Seamless Zigbee Integration:** Effortlessly pairs with Echo (4th Gen+), SmartThings, Home Assistant & more for unified smart home control.
- • **Instant Setup & Auto Discovery:** Plug-and-play design with Alexa voice discovery—get your home secured in seconds without hassle.

## Overview

The THIRDREALITY Zigbee Contact Sensor is a compact, indoor door and window monitor compatible with major Zigbee hubs and Echo devices with built-in Zigbee. Featuring a 2-year battery life, hassle-free Alexa voice setup, and OTA firmware updates, it empowers users to create custom smart home routines and receive real-time alerts. Its advanced app integration offers battery monitoring and event history, making it an essential upgrade for any connected home security system.

## Description

Door and window sensor can directly work with compatible ECHO. And its compact design can fit in most doors and windows. Most of the doors or windows have a height difference from the doors' or windows' frame. With the special design the height difference can be reduced to make sure the two parts of the door sensor have a stable contact. Simply peel off the protective layer of double-sided tape and stick the two parts of the door sensor to the door and the door frame. You can monitor every door and windows in your home and create routines to send messages to your smartphone when the door or window is open. You also can create routines that are triggered by the on/off status of the door sensor.

## Features

- 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, desertcart 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08R9PH4JT |
| Best Sellers Rank | #153,844 in Home Improvement ( See Top 100 in Home Improvement ) #415 in Home Security Alarms |
| Brand Name | THIRDREALITY |
| Customer Reviews | 4.3 4.3 out of 5 stars (734) |
| Item Dimensions | 50 x 21 x 60 Millimeters |
| Item Weight | 2.08 Ounces |
| Manufacturer | Third Reality, Inc |
| Material Type | Plastic |
| Model Number | P1DSA2 |
| Mounting Type | Door Mount |
| Output Type | digital |
| Part Number | 3RDS17BZ |
| Specific Uses For Product | Indoor |
| Style Name | Door Sensor |
| UPC | 850001595285 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** THIRDREALITY
- **Item Weight:** 2.08 Ounces
- **Item dimensions L x W x H:** 50 x 21 x 60 Millimeters
- **Material:** Plastic
- **Style:** Door Sensor

## Images

![Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required - Image 1](https://m.media-amazon.com/images/I/41-tjH1nx-L.jpg)

## Questions & Answers

**Q: Will this work with samsung smartthings smart home hub 2nd generation?**
A: A definite maybe!  I bought one and did get it to work so I bought a second one.  I have a 2nd gen Smarthings/ Aerotec hub.  I could not get this one to work and spent 2 hours trying various solutions.  The linking process could defiantly be improved.

**Q: Will this contact sensor work with any tuya zigbee hub?. i need it to work with tuya or smart life app.**
A: I'm using 5 3rd realty switches all via Zigbee hub....should work

**Q: is the sensor affected by gravity - meaning - can I angle it, use it upside down, etc? thx!**
A: Not affected by gravity (horizontal or vertical).  I have sensors installed on doors and windows.  It does not make a difference. They work in either orientation.  Hope this helps.

**Q: Is this UL 2017 approved?**
A: Unable to confirm, not listed on the product or in the literature

## Frequently Bought Together

- THIRDREALITY Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required
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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-29*