---
product_id: 462299998
title: "THIRDREALITY Zigbee Contact Sensor 4 Pack, 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: "€ 168.00"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/462299998-thirdreality-zigbee-contact-sensor-4-pack-door-and-window-monitor
store_origin: CY
region: Cyprus
---

# Zigbee standard compatible 2-year battery life Seamless Alexa & hub integration THIRDREALITY Zigbee Contact Sensor 4 Pack, 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:** € 168.00
**Availability:** ✅ In Stock

## Summary

> 🔐 Stay connected, secure, and smart—because your home deserves the future today!

## Quick Answers

- **What is this?** THIRDREALITY Zigbee Contact Sensor 4 Pack, 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?** € 168.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/462299998-thirdreality-zigbee-contact-sensor-4-pack-door-and-window-monitor)

## 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

- • **Plug & Play Setup:** Install in seconds—just pair with Alexa and start automating your home security.
- • **Long-Lasting Power:** Up to 2 years of uninterrupted monitoring with easy-to-replace AAA batteries.
- • **Smart Alexa Routines:** Trigger lights, alerts, or voice alarms the moment a door or window opens—stay ahead effortlessly.
- • **Insightful App Control:** Track battery status and event history via Third Reality’s upgraded app for proactive home management.
- • **Effortless Zigbee Connectivity:** Works flawlessly with top Zigbee hubs & Echo devices for instant smart home sync.

## Overview

The THIRDREALITY Zigbee Contact Sensor 4 Pack offers reliable door and window monitoring compatible with major Zigbee hubs and Echo devices. Featuring a compact design, 2-year battery life, and hassle-free setup, it empowers users to create custom Alexa routines and monitor home security seamlessly through the upgraded Third Reality app.

## Description

Zigbee Contact Sensor 4 Pack, Door and Window Monitor, Home Automation,Works with Home Assistant,SmartThings,Aeotec,Homey,Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

## 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 Gen Plus and Third Reality Smart Bridge. Zigbee Hub Required.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ‎Third Reality, Inc |
| Part number | 3RDS17BZ |
| Item Weight | 290 g |
| Product Dimensions | 5 x 2.1 x 6 cm; 290 g |
| Batteries | 8 AAA batteries required. |
| Item model number | 3RDS17BZ |
| Color | White |
| Style | Door Sensor 4 Pack |
| Material | Plastic |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Plug Profile | Door Mount |
| Specific uses | Contact Sensor |
| Included components | Door Sensor × 4; AAA Battery × 8; Double-sided Tape × 4; Screw × 8 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | alkaline |
| Battery life | 2 	years |

## Product Details

- **Brand:** THIRDREALITY
- **Item dimensions L x W x H:** 50 x 21 x 60 millimeters
- **Material:** Plastic
- **Item weight:** 0.29 Kilograms
- **Style:** Door Sensor 4 Pack

## Images

![THIRDREALITY Zigbee Contact Sensor 4 Pack, 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/51j1EWmLzgL.jpg)

## Available Options

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

## Frequently Bought Together

- THIRDREALITY Zigbee Contact Sensor 4 Pack, Door and Window Monitor, Home Automation,Works with Home Assistant,SmartThings,Aeotec,Homey,Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required
- THIRDREALITY ZigBee Smart Plug 4 Pack with Real-time Energy Monitoring,15A Outlet, Zigbee Repeater,ETL Certified,ZigBee Hub Required,Work with Home Assistant,Compatible Echo Devices and SmartThings
- THIRDREALITY Zigbee Motion Sensor 4 Pack, Zigbee Hub Required, Pet Friendly, Work with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Built-in Zigbee hub

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/462299998-thirdreality-zigbee-contact-sensor-4-pack-door-and-window-monitor](https://www.desertcart.com.cy/products/462299998-thirdreality-zigbee-contact-sensor-4-pack-door-and-window-monitor)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-02*