Smart WiFi Door Sensor: Wireless Window Sensor with App Notification Alert, Tuya Door Open Contact Sensor for Home Security, No…
Best for
Best budget
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$11.99
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, this Tuya-based Smart WiFi Door Sensor is the entry-level, hub-free choice: at around $12 it connects directly to Wi-Fi, sends app notifications, and works with Alexa and Google Assistant without requiring any bridge. For renters or first-timers who want a single inexpensive sensor without buying into a hub ecosystem, that simplicity is the main draw. The consensus is more cautious than enthusiastic.
What reviewers liked
- Lowest price in the roundup and no hub required
- Direct Wi-Fi connection with Alexa and Google Assistant support
- Simple single-sensor option for renters and first-timers
Where it falls short
- Smallest review base (238 ratings) and a modest 4.1-star average
- No expert or community signals available for corroboration
- Wi-Fi operation can shorten battery life versus mesh sensors
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Across the reviewers we read, this Tuya-based Smart WiFi Door Sensor is the entry-level, hub-free choice: at around $12 it connects directly to Wi-Fi, sends app notifications, and works with Alexa and Google Assistant without requiring any bridge. For renters or first-timers who want a single inexpensive sensor without buying into a hub ecosystem, that simplicity is the main draw.
The consensus is more cautious than enthusiastic. The 4.1-star average rests on a small base of 238 ratings, the thinnest in this roundup, and the supplied signals contain no expert or community corroboration. Tuya-platform devices are widely known to vary in reliability and battery efficiency, so the low price comes with correspondingly lower confidence. It earns its place as a budget pick, but buyers prioritizing dependability should consider a mesh-based option instead.
- WiFi DOOR SENSOR WITH APP ALERTS
- No hub required and No fees charge. Control with the "Tuya Smart" or "Smart Life" app. Get instant app free notification alerts on your smartphone when doors or windows open or close. Note: door sensor only works with 2.4GHz WiFi, not works with 5G.
- Sppports Voice Control
- Door alarms for home compatible with Amazon Alexa and Google Assistant. Alexa/Google is able to answer the question, "Alexa/Google, is the 'Device Name' Closed/Opened?"
- Link With Other Tuya Smart Devices
- The smart window sensor can control other Tuya smart connected devices as the status of the door or window changes. For example, Automatically turn on your smart wall switches or smart lights when door opened.
- Low Power Warnign & Batteries Included
- Door open alert powered by 2*AAA batteries(INCLUDED). Enjoy over six months of battery life with this door alarm sensor. When the battery is running low, it will automatically push messages through App to remind you to change battery, never worry about running out of battery.
- Easy Installation And Widely Use
- Install the smart door sensor with the included 3M sticker for a firm and durable hold. Install the sensor on gates, mailboxes, refrigerators, drawers, bedrooms, garages, yards, pet doors, and more. Gaoducash provides a 24-month warranty for the door detector, please feel free to contact if you have any questions.
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