---
product_id: 330583391
title: "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"
brand: "thirdreality"
price: "129.72 DT"
currency: TND
in_stock: true
category: "Thirdreality"
url: https://www.desertcart.tn/products/330583391-zigbee-contact-sensor-door-and-window-monitor-home-automation-works
store_origin: TN
region: Tunisia
---

# Hassle-free setup 2-year battery life Zigbee standard compatible 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

**Brand:** thirdreality
**Price:** 129.72 DT
**Availability:** ✅ In Stock

## Summary

> 🚪🔒 Stay connected, stay secure—your smart home’s silent guardian.

## Quick Answers

- **What is this?** 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 by thirdreality
- **How much does it cost?** 129.72 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/330583391-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

- • **Long-Lasting Power:** Powered by two AAA batteries that keep your home secure for up to 2 years without a recharge.
- • **Smart Alexa Routines:** Automate your space with custom alerts, lights, and voice responses triggered by door/window activity.
- • **Effortless Installation:** Set up in seconds with Alexa voice commands—no tech headaches, just smart living.
- • **Seamless Zigbee Integration:** Works flawlessly with top Zigbee hubs and Echo devices for instant smart home connectivity.
- • **Advanced App & Skill Support:** Monitor battery life, view activity history, and get low battery alerts via the upgraded Third Reality app.

## Overview

The THIRDREALITY Zigbee Contact Sensor is a compact, easy-to-install door and window monitor compatible with major Zigbee hubs and Echo devices. Featuring a 2-year battery life, Alexa routine integration, and advanced app support, it empowers seamless home automation and security with hassle-free setup and real-time alerts.

## Description

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 - desertcart.com

## 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 | #16,426 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #42 in Home Automation Hubs & Controllers |
| Brand Name | THIRDREALITY |
| Customer Reviews | 4.3 4.3 out of 5 stars (779) |
| Included Components | AAA Battery × 2, Door Sensor, Double-sided Tape, Screws |
| Item Dimensions | 1.97 x 0.83 x 2.36 inches |
| Item Weight | 2.08 ounces |
| Manufacturer | Third Reality, Inc |
| Material Type | Plastic |
| Model | P1DSA2 |
| Mounting Type | Door Mount |
| Number of Items | 1 |
| Output Type | Push Button |
| Part Number | 3RDS17BZ |
| Style Name | Door Sensor |
| UPC | 850001595285 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** THIRDREALITY
- **Item Weight:** 2.08 ounces
- **Item dimensions L x W x H:** 1.97 x 0.83 x 2.36 inches
- **Material:** Plastic
- **Style:** Door Sensor

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/41-tjH1nx-L.jpg)

## Available Options

This product comes in different **Style** options.

## 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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- THIRDREALITY Zigbee Motion Sensor, Pet Friendly, Compatible with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Built-in Zigbee Hub

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-23*