WiFi Smart Door Sensor – Tuya, Alexa & Google Home
WiFi Smart Door Sensor – Tuya, Alexa & Google Home
Keep a watchful eye on every entry point in your home with the Asia-Teco WiFi Smart Door & Window Sensor (WD004-Tuya-WIFI). 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.
Why You'll Love It
- Instant App Alerts: Get real-time push notifications via the Tuya or Smart Life app whenever a monitored entry point changes state.
- Voice Control Ready: Works seamlessly with Amazon Alexa and Google Assistant — just ask your voice assistant for the current status of any sensor.
- No Hub Needed: Connects directly to your 2.4 GHz WiFi network with a simple one-key pairing process. No extra gateway or bridge required.
- Family Sharing & History: Share device access with family members and review a full log of sensor activity from the app.
- Flexible Placement: 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.
- Long Battery Life: Ultra-low standby current (≤5 µA) means two standard AAA batteries can last 6–10 months.
- Compact & Discreet: The slim profile (main body: 93 × 40 × 20 mm; magnet: 93 × 13 × 20 mm) blends into any décor without altering your furniture's look.
Works With Your Smart Home Ecosystem
The sensor integrates directly into the Tuya / Smart Life 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.
Easy Setup in 3 Steps
- Insert 2 × AAA batteries (not included).
- Download the Tuya or Smart Life app from Google Play or the App Store.
- Follow the in-app instructions to connect to your 2.4 GHz WiFi, then mount with adhesive or screws.
Technical Specifications
| Brand / Model | Asia-Teco / WD004-Tuya-WIFI |
| App Platform | Tuya / Smart Life |
| Voice Assistants | Amazon Alexa, Google Assistant |
| WiFi Band | 2.4 GHz (IEEE 802.11 b/g/n) |
| Wireless Range | Up to 50 m |
| Battery | 2 × AAA 1.5 V (not included) |
| Standby Current | ≤ 5 µA |
| Battery Life | 6–10 months (typical) |
| Alarm Current | ≤ 130 mA |
| Low-Voltage Threshold | ≤ 2.4 V |
| Operating Temperature | -10 °C to +40 °C (14 °F to 104 °F) |
| Operating Humidity | 20 %–85 % RH (max 95 % RH) |
| Storage Temperature | -10 °C to +60 °C (14 °F to 140 °F) |
| Storage Humidity | 0 %–90 % RH |
| Main Body Size | 93 × 40 × 20 mm |
| Magnet Size | 93 × 13 × 20 mm |
| Country of Origin | Made in China |
For general guidance on home security and smart devices, visit the U.S. Consumer Product Safety Commission (CPSC) Home Safety Guide.
Frequently Asked Questions
Q: Does the WiFi Smart Door Sensor require a separate hub or bridge?
A: 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.
Q: Which voice assistants does this smart door sensor support?
A: 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.
Q: How long do the batteries last in this WiFi door sensor?
A: 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.
Q: Where can I install the smart door and window sensor?
A: 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.
Q: Can I share sensor access with other family members?
A: Yes. Through the Tuya / Smart Life app you can share the device with multiple family members and give each person access to live status updates and the sensor's full activity history log.