--- product_id: 341014857 title: "THIRDREALITY 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: "134.14 DT" currency: TND in_stock: true category: "Thirdreality" url: https://www.desertcart.tn/products/341014857-thirdreality-zigbee-contact-sensor-door-and-window-monitor-home-automation store_origin: TN region: Tunisia --- # Zigbee 3.0 compatible 2-year battery life Easy 2-sec setup THIRDREALITY 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:** 134.14 DT **Availability:** ✅ In Stock ## Summary > 🚪🔔 Stay ahead of every open door moment—smart security that’s always on point! ## Quick Answers - **What is this?** THIRDREALITY 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?** 134.14 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/341014857-thirdreality-zigbee-contact-sensor-door-and-window-monitor-home-automation) ## 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 - • **Compact, Sleek Design:** Fits most doors & windows with a smart height-difference reducer for stable contact. - • **Ultra-Long Battery Life:** Powered by 2 AAA batteries lasting up to 2 years—set it and forget it. - • **Seamless Zigbee Integration:** Effortlessly syncs with Echo, SmartThings, Hubitat & more for a truly connected home. - • **Real-Time Monitoring & History:** Track sensor status and battery life via Third Reality app with timely low-battery email alerts. - • **Instant Alerts & Alexa Routines:** Customize smart triggers to get notified or automate lights & alarms when doors/windows open. ## Overview The THIRDREALITY Zigbee Contact Sensor is a compact, easy-to-install door and window monitor compatible with major Zigbee hubs and Echo devices with built-in Zigbee. It offers up to 2 years of battery life powered by 2 AAA batteries, supports customizable Alexa routines for instant alerts and automation, and provides real-time monitoring and history through the Third Reality app. Ideal for enhancing home security and smart automation with hassle-free setup and reliable performance. ## 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 10 (2nd Gen and 3rd Gen), Echo Studio, Eero 6, Eero Pro 6, Home Assistant, SmartThings 2015/2018, Aeotec, Hubitat, Third reality Hub and Third Reality Smart Speaker. - 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 | |---------------|-------| | ASIN | B08R9PH4JT | | ASIN | B08R9PH4JT | | Batteries | 2 AAA batteries required. (included) | | Best Sellers Rank | #69,332 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #87 in Home Alarm Systems | | Brand Name | THIRDREALITY | | Customer Reviews | 4.3 4.3 out of 5 stars (739) | | Customer reviews | 4.3 4.3 out of 5 stars (739) | | Date First Available | 19 June 2021 | | EU Spare Part Availability Duration | 2 Years | | Included Components | AAA Battery × 2, Door Sensor, Double-sided Tape, Screws | | Item Dimensions | 50 x 21 x 60 millimeters | | Item Weight | 2.08 Ounces | | Item model number | P1DSA2 | | Manufacturer | THIRDREALITY | | Manufacturer | THIRDREALITY | | Material Type | Plastic | | Maximum Supply Voltage | 3 Volts | | Measuring Range | Open - Gesloten | | Model | P1DSA2 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Output Type | Push-Pull | | Part Number | 3RDS17BZ | | Product Dimensions | 5 x 2.1 x 6 cm; 58.97 g | | Specific Uses For Product | home security, smart home automation | | Style Name | Door Sensor | | UPC | 850001595285 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 50 Degrees Celsius | ## Product Details - **Brand:** THIRDREALITY - **Item dimensions L x W x H:** 50 x 21 x 60 millimeters - **Item weight:** 2.08 Ounces - **Material:** Plastic - **Style:** Door Sensor ## Images ![THIRDREALITY 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) ## 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 - 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, Pet Friendly, Compatible 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.tn/products/341014857-thirdreality-zigbee-contact-sensor-door-and-window-monitor-home-automation](https://www.desertcart.tn/products/341014857-thirdreality-zigbee-contact-sensor-door-and-window-monitor-home-automation) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-19*