--- product_id: 386230063 title: "Wifi Door Sensor, Tuya Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Open Contact For Business Burglar Alert (1 Pack)" brand: "phovolt" price: "HK$248" currency: HKD in_stock: true reviews_count: 7 category: "Phovolt" url: https://www.desertcart.hk/products/386230063-wifi-door-sensor-tuya-smart-window-sensor-real-time-alarm store_origin: HK region: Hong Kong --- # Instant smartphone alerts 2.4 GHz WiFi-only connection Long-lasting AA battery power Wifi Door Sensor, Tuya Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Open Contact For Business Burglar Alert (1 Pack) **Brand:** phovolt **Price:** HK$248 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in peace of mind with smart alerts that keep you one step ahead! ## Quick Answers - **What is this?** Wifi Door Sensor, Tuya Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Open Contact For Business Burglar Alert (1 Pack) by phovolt - **How much does it cost?** HK$248 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/386230063-wifi-door-sensor-tuya-smart-window-sensor-real-time-alarm) ## Best For - phovolt enthusiasts ## Why This Product - Trusted phovolt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** No tools needed—stick it on with 3M adhesive and start protecting your space in minutes. - • **Energy-Efficient Design:** Low power consumption with smart battery alerts ensures you’re never caught off guard by a dead battery. - • **Extended Wireless Range:** Reliable 50-200m transmission distance keeps you connected even in larger homes or offices. - • **Real-Time Security Alerts:** Stay instantly informed with push notifications the moment your door or window opens. - • **Seamless Smart Home Integration:** Effortlessly sync with Alexa, Google Assistant, and Smart Life for voice-activated control and automation. ## Overview The PHOVOLT Tuya WiFi Door Sensor is a compact, battery-powered contact sensor designed for real-time security monitoring. Compatible exclusively with 2.4 GHz WiFi, it delivers instant smartphone notifications when doors or windows open or close. Easily integrated with Alexa, Google Assistant, and Smart Life, it supports voice control and smart automation. Installation is tool-free using durable 3M adhesive, and the device features low power consumption with battery level alerts to ensure uninterrupted protection. Ideal for home or business security, it offers a reliable wireless range of up to 200 meters in open areas. ## Description Compatible with Alexa & Google Home:Simply use your voice to control the connected devices by Alexa or Google Home. It can also perform auto control together with other smart devices which are compatible with Smart Life. Convenient for you to detect your doors, windows, cabinets, drawers, or anywhere you want to notified when it is opened or closed.Enjoy Your Smart Life:When you leave home, it will push a notification message to you when the door/window opens or closes, so you can discover the intruder in time. Furthermore, you could share the device with your family members and track the history of sensor activities.Easy to Install:No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape or screws(included) in just a few steps, and download an app "tuya" or "Smart Life" from GooglePlay or App Store to add the device to detect the status of your door/window.Parameter1.Operating Power: AAA 1.5V X2(Not including battery) 2.Wireless Type:2.4GHz(not support 5G ) 3.Compound multi-layer design 4.Built-in omnidirectional antenna 5.Superior circuit design 6.High-performance and low power consumption 7.Superior ABS material 8.Protocol:IEEE 802.11b/g/n 9.Shock resistence:4.7M,1.2M.3.5M,300k 10.Transmission distance:50-200m in open areaSpecifications:1.Operating Power: AAA 1.5V X2(Not including battery) 2.Wireless Type:2.4GHz(not support 5G ) 3.Compound multi-layer design 4.Built-in omnidirectional antenna 5.Superior circuit design 6.High-performance and low power consumption 7.Superior ABS material 8.Protocol:IEEE 802.11b/g/n Package Included:1 * tuya wifi door/window sensorNotes:This device is designed for the tuya smart/smart life app. You can set it to control a Review: رائع - منتج رائع وسهل الاستخدام Review: رائع - اعجبني للغاية ولا يستهلك البطارية لقد قمت بتركيب منذ 15 يوما ولا زالت البطارية مئة بالمئة ## Features - Receive Real-time Alarms Remotely: when the door/window is opened or closed, the sensor will push instant notification to your smartphone immediately - Alert message push: When the door/window is triggered, you will receive an alarm signal from your phone. Convenient for you to detect your doors, windows, cabinets, drawers, or anywhere you want to notified when it is opened or closed - Only work with 2. 4 GHz WIFI CONNECTION: It connects to your smartphone via App under 2.4G Wi-Fi environment. If your WiFi router only supports 5G, the device won’t connect - Compatible with Alexa and Google home: It can also perform auto control together with other smart devices that are compatible with Smart life. The sensor door needs two AA batteries(not include). When the battery level is low, it will automatically push messages through APP to remind you to change the battery, never worry about running out of battery - Easy Installation：No Need to use complicated tools when installation, just use 3M glue to install, firm and durable. The distance between the two components should be as close as possible, and the closest distance should not affect the opening/closing of the door or window ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B096B2V6YY | | Battery Description | Replaceable AA batteries | | Battery description | Replaceable AA batteries | | Best Sellers Rank | #14,733 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Home Security Door & Window Sensors | | Brand | PHOVOLT | | Built-In Media | wifi door sensor | | Color | white | | Colour | white | | Compatible Devices | Smartphone | | Compatible devices | Smartphone | | Control Method | App | | Customer Reviews | 4.0 out of 5 stars 522 Reviews | | Item Dimensions L x W x H | 20L x 20W x 10H millimeters | | Item Weight | 0.05 Kilograms | | Manufacturer | PHOVOLT | | Maximum Range | 200 Meters | | Mfr Part Number | P-0018 | | Model Number | D06 | | Mounting Type | Window Mount | | Number of Batteries | 2 AAA batteries required. (included) | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | Power source | Battery Powered | | Product dimensions | 20L x 20W x 10H millimeters | | Sensor Technology | Contact Sensor | | Size | 2 cm x 2 cm x 1 cm | | Unit Count | 1.0 Count | | Voltage | 1.5 Volts | ## Product Details - **Brand:** PHOVOLT - **Colour:** white - **Compatible devices:** Smartphone - **Power source:** Battery Powered - **Product dimensions:** 20L x 20W x 10H millimeters ## Images ![Wifi Door Sensor, Tuya Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Open Contact For Business Burglar Alert (1 Pack) - Image 1](https://m.media-amazon.com/images/I/51ZXVd2bkpL.jpg) ## Questions & Answers **Q: Is it compatible with google home?** A: You can link the app to google home, but the device itself does not appear in Devices in the google home, rendering it useless. You cannot control the device using google home. **Q: Can i set it to work with my Alexa thermostat to shut AC off off if door left open?** A: Yes, you can make a routine or scene if sensor is open, then shut off AC. **Q: How much is the Service monthly?** A: No monthly, download app and it works real time **Q: Can I use it outside? IP67?** A: I would say NO because it is not water proof. It might work for a while but eventually would think the elements would render it useless. ## Customer Reviews ### ⭐⭐⭐⭐⭐ رائع *by B***R on 26 April 2024* منتج رائع وسهل الاستخدام ### ⭐⭐⭐⭐⭐ رائع *by M***I on 24 July 2023* اعجبني للغاية ولا يستهلك البطارية لقد قمت بتركيب منذ 15 يوما ولا زالت البطارية مئة بالمئة ### ⭐⭐⭐⭐⭐ Tuya defaults to doorbell noise *by J***N on 30 July 2025* Paired nicely with Tuya, which unfortunately defaults to a doorbell noise so you will have to turn that off on all your devices with the Tuya app. ## Frequently Bought Together - WiFi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business Burglar Alert (1 Pack) - Amazon Echo Pop (newest model), Our smallest Alexa speaker, Fits in any room, Charcoal - Amazon Echo Show 5 (newest model), Smart display with 2x the bass and clearer sound, Charcoal --- ## 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.hk/products/386230063-wifi-door-sensor-tuya-smart-window-sensor-real-time-alarm](https://www.desertcart.hk/products/386230063-wifi-door-sensor-tuya-smart-window-sensor-real-time-alarm) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-12*