WiFi Door Sensor: Wireless Window Sensor with App Alerts, Tuya Smart Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa Google Assistant(4-Pack)
WiFi Door Sensor: Wireless Window Sensor with App Alerts, Tuya Smart Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa Google Assistant(4-Pack)
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
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Fast U.S. Shipping
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✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
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About This
- 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.
Overview
- Color : 4-pack
- Brand : Gaoducash
- Power Source : Battery Powered
- Compatible Devices : Home Security System, Smartphone
- Product Dimensions : 2.83"L x 0.98"W x 0.78"H
WE MAKE SMART LIVING SIMPLE.
OUR TEAM HELPS SECURE YOUR HOME.
SmartHomeValueHub helps homeowners create safer, smarter, and more convenient living spaces with trusted smart home solutions built for everyday life.
From smart security cameras and smart locks to video doorbells, thermostats, lighting, and home automation essentials — we focus on products that improve real comfort, safety, and efficiency.
Our goal is simple: better protection, lower energy costs, and smarter daily living for every home.
Why Homeowners Trust SmartHomeValueHub
✔ Easy Setup
✔ Matter Compatible
✔ Smart Security
✔ Energy Saving
50K
HaSMART DEVICES INSTALLEDppy Clients
15+
YEARS OF SMART HOME EXPERTISE
98%
CUSTOMER SATISFACTION RATE
365
RELIABLE SUPPORT YEAR-ROUND
Smarter Security. Lower Bills. Easier Living.
SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
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