{"product_id":"wifi-smart-door-window-sensor-tuya-alexa-google","title":"WiFi Smart Door Sensor – Tuya, Alexa \u0026 Google Home","description":"\u003cp\u003eKeep a watchful eye on every entry point in your home with the \u003cstrong\u003eAsia-Teco WiFi Smart Door \u0026amp; Window Sensor (WD004-Tuya-WIFI)\u003c\/strong\u003e. Powered by the Tuya \/ Smart Life platform and running on your home's 2.4 GHz WiFi network, this compact magnetic sensor sends instant push notifications to your smartphone the moment any door, window, drawer, or cabinet is opened or closed — no hub required.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstant App Alerts:\u003c\/strong\u003e Get real-time push notifications via the Tuya or Smart Life app whenever a monitored entry point changes state.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoice Control Ready:\u003c\/strong\u003e Works seamlessly with Amazon Alexa and Google Assistant — just ask your voice assistant for the current status of any sensor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Hub Needed:\u003c\/strong\u003e Connects directly to your 2.4 GHz WiFi network with a simple one-key pairing process. No extra gateway or bridge required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFamily Sharing \u0026amp; History:\u003c\/strong\u003e Share device access with family members and review a full log of sensor activity from the app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Placement:\u003c\/strong\u003e Install in minutes with the included double-sided adhesive tape or screws. Works on doors, windows, drawers, cabinets, and more — no drilling required for adhesive mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e Ultra-low standby current (≤5 µA) means two standard AAA batteries can last 6–10 months.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Discreet:\u003c\/strong\u003e The slim profile (main body: 93 × 40 × 20 mm; magnet: 93 × 13 × 20 mm) blends into any décor without altering your furniture's look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks With Your Smart Home Ecosystem\u003c\/h2\u003e\n\u003cp\u003eThe sensor integrates directly into the \u003cstrong\u003eTuya \/ Smart Life\u003c\/strong\u003e ecosystem, allowing you to create powerful automations — for example, turn on a light automatically when the front door opens, or trigger a chime when a child arrives home. Pair it with other Tuya-compatible smart devices for a fully connected home.\u003c\/p\u003e\n\n\u003ch2\u003eEasy Setup in 3 Steps\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eInsert 2 × AAA batteries (not included).\u003c\/li\u003e\n  \u003cli\u003eDownload the \u003cem\u003eTuya\u003c\/em\u003e or \u003cem\u003eSmart Life\u003c\/em\u003e app from Google Play or the App Store.\u003c\/li\u003e\n  \u003cli\u003eFollow the in-app instructions to connect to your 2.4 GHz WiFi, then mount with adhesive or screws.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco \/ WD004-Tuya-WIFI\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTuya \/ Smart Life\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoice Assistants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa, Google Assistant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiFi Band\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz (IEEE 802.11 b\/g\/n)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 50 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × AAA 1.5 V (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 5 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6–10 months (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 130 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow-Voltage Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 2.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 °C to +40 °C (14 °F to 104 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 %–85 % RH (max 95 % RH)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 °C to +60 °C (14 °F to 140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 %–90 % RH\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Body Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e93 × 40 × 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnet Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e93 × 13 × 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFor general guidance on home security and smart devices, visit the U.S. Consumer Product Safety Commission (CPSC) Home Safety Guide.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the WiFi Smart Door Sensor require a separate hub or bridge?\u003c\/h4\u003e\n\u003cp\u003eA: No hub is required. The Asia-Teco WD004-Tuya-WIFI connects directly to your home's 2.4 GHz WiFi network via the Tuya or Smart Life app, making setup fast and straightforward without any additional hardware.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which voice assistants does this smart door sensor support?\u003c\/h4\u003e\n\u003cp\u003eA: The sensor is fully compatible with both Amazon Alexa and Google Assistant. Once linked through the Tuya or Smart Life app, you can ask your voice assistant for the current open\/closed status of any paired sensor.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long do the batteries last in this WiFi door sensor?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to an ultra-low standby current of ≤5 µA, two standard AAA batteries (not included) typically last between 6 and 10 months under normal use. The app will send a low-battery notification when it's time to replace them.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Where can I install the smart door and window sensor?\u003c\/h4\u003e\n\u003cp\u003eA: The sensor can be mounted on doors, windows, sliding glass doors, cabinets, drawers, or virtually any surface where you want to monitor open\/closed activity. Use the included double-sided adhesive tape for a tool-free, damage-free installation, or use the included screws for a more permanent fix.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I share sensor access with other family members?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. 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