--- product_id: 341014857 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: "VT11836" currency: VUV in_stock: true url: https://www.desertcart.vu/products/341014857-zigbee-contact-sensor-door-and-window-monitor-home-automation-works store_origin: VU region: Vanuatu --- # Zigbee standard compatible 2-year battery life Hassle-free Alexa setup 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:** VT11836 **Availability:** ✅ In Stock ## Summary > 🚪🔔 Stay ahead of every open door—smart security that just works! ## 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?** VT11836 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/341014857-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 - • **Smart Alexa Routines:** Trigger lights, alerts, or even jokes when doors/windows open—customize your smart lifestyle. - • **Effortless Installation:** Stick and sync in seconds with double-sided tape and Alexa voice discovery—no tech headaches. - • **Ultra-Long Battery Life:** Powered by 2 AAA alkaline batteries lasting up to 2 years—set it and forget it. - • **Seamless Zigbee Integration:** Works flawlessly with Echo (4th Gen), SmartThings, Hubitat & more for smart home harmony. - • **Real-Time Monitoring & Alerts:** Track battery status and sensor history via Third Reality app with low battery email warnings. ## Overview The THIRDREALITY Zigbee Contact Sensor is a compact, battery-powered door and window monitor compatible with major Zigbee hubs and Echo devices with built-in Zigbee. It offers a 2-year battery life, easy installation with double-sided tape, and seamless Alexa integration for customizable smart home routines and real-time alerts via the Third Reality app. ## Description 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 ## 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 | |---------------|-------| | Manufacturer | THIRDREALITY | | Part number | 3RDS17BZ | | Item Weight | 58.9 g | | Product Dimensions | 5 x 2.1 x 6 cm; 58.97 g | | Batteries | 2 AAA batteries required. (included) | | Item model number | P1DSA2 | | Color | White | | Style | Door Sensor | | Material | Plastic | | Power source type | Battery Powered | | Item Package Quantity | 1 | | Temperature Range | 2E+1 Degrees Celsius | | Plug Profile | Door Mount | | Specific uses | Indoor | | Included components | AAA Battery × 2, Door Sensor, Double-sided Tape, Screws | | Batteries Included? | Yes | | Batteries Required? | Yes | | 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:** 2.08 Ounces - **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) ## 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.vu/products/341014857-zigbee-contact-sensor-door-and-window-monitor-home-automation-works](https://www.desertcart.vu/products/341014857-zigbee-contact-sensor-door-and-window-monitor-home-automation-works) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-18*