Tuya WiFi Smart Door & Window Sensor | Alexa & Google Home
Stay Connected to Your Home — Know Instantly When Doors & Windows Open or Close
The Tuya WiFi Smart Door & Window Sensor is a compact, easy-to-install magnetic contact sensor that keeps you informed about entry points in your home, 24/7. Whether you're at work, on vacation, or simply in another room, this sensor connects directly to your 2.4 GHz WiFi network and sends real-time notifications straight to your smartphone via the Tuya / Smart Life app.
Compatible with Amazon Alexa and Google Home, it integrates seamlessly into your existing smart home ecosystem — letting you check door and window status hands-free with a simple voice command.
Made in Mainland China.
Key Features
- 📱 APP Remote Monitoring: Check the open/closed status of any door or window anytime, from anywhere, using the free Tuya or Smart Life app.
- 🔒 One-Click Arming: Arm and disarm your sensor in a single tap — quick and effortless security management.
- 🗣️ Voice Control: Works with Amazon Alexa and Google Home — simply ask whether your door or window is open or closed.
- 👨👩👧 Family Sharing: Share device access with multiple family members so everyone stays in the loop.
- 📵 Offline Alert: If the device loses its connection, the app notifies you within 30 minutes, so you're never left guessing.
- 🔋 Low Battery Reminder: The app sends a push notification when batteries run low, so you can replace them before they're needed.
Technical Specifications
| Material | ABS Plastic |
| Power Supply | 2 × AAA Batteries (not included) |
| Wireless Protocol | 2.4 GHz WiFi 802.11 b/g/n |
| Compatible App | Tuya / Smart Life |
| Voice Assistant Support | Amazon Alexa, Google Home |
| Operating Temperature | -10°C to 50°C (14°F to 122°F) |
| Dimensions | 70 × 20 × 23 mm |
| Available Colors | White, Black |
What's in the Box?
- 1 × Smart Door/Window Magnetic Sensor Set
Note: Batteries are not included. Due to manual measurements, please allow ±1–3 cm variance. Colors may appear slightly different depending on your screen settings.
Smart Home Safety — Good to Know
The U.S. Consumer Product Safety Commission (CPSC) provides helpful guidance on home security and smart device safety. Learn more at CPSC.gov.
Frequently Asked Questions
Q: Does this Tuya smart door sensor require a hub or bridge?
A: No hub is required. This WiFi door and window sensor connects directly to your 2.4 GHz home WiFi network via the Tuya or Smart Life app — no additional hardware needed.
Q: Is this sensor compatible with both Google Home and Amazon Alexa?
A: Yes! The Tuya smart door sensor works with both Amazon Alexa and Google Home, allowing you to check door and window status using simple voice commands.
Q: What batteries does the smart window sensor use, and will I be notified when they're low?
A: The sensor is powered by 2 × AAA batteries (not included). When the battery level gets low, the Tuya / Smart Life app will automatically send you a push notification so you can replace them promptly.
Q: Can I share this smart door sensor with other family members?
A: Absolutely. The Tuya / Smart Life app supports a family sharing feature, so multiple users can monitor and manage the sensor from their own devices simultaneously.