Mengshen 4 Pack Smart WiFi Door Window Sensor No Hub Required Wireless Contact Sensor for Home Security Compatible with Tuya Smart Home Devices Alexa and Google Assistant
Mengshen 4 Pack Smart WiFi Door Window Sensor No Hub Required Wireless Contact Sensor for Home Security Compatible with Tuya Smart Home Devices Alexa and Google Assistant
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange â simple and easy.
â Easy return process
â Fast refunds
â No hidden conditions
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Fast U.S. Shipping
We ship within the United States only â no international delays.
â Processing time: 1â2 business days
â Delivery time: 3â7 business days
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About This
- đȘăUniversal Smart Door Window SensorăNo hub required.Only a 2.4GHz WiFi connection (not compatible with 5G). Just Simply download the 'Tuya' or 'Smart Life' App to connect it. Stay informed about the safety of your home no matter where you are.
- đ±ăNever Miss an AlertăInstant smartphone notifications when openings exceed 15mm - monitor your property 24/7 from anywhere. The software will record each data,specific to the duration of door opening and closing.
- đăEasy to InstallationăSimply use the included adhesive paper for quick, secure attachmentâensure the surface is clean and dry for optimal adhesion. Install anywhere: doors, windows, drawers, filing cabinets or safes in homes, offices, hotels, warehouses.
- đăSmart Battery ManagementăPowered by 2*AAA battery(Not included). Get proactive low-battery notification on your phone when the battery is running out.
- đăExpandable Security SystemăSeamlessly connects with Tuya, Smart Life, Alexa and Google Home ecosystems - control with voice commands or automate your security routines. Like Alexa/Google is able to answer your question âIs the door open/closed?â Pair with other Tuya devices like sirens/floodlights to trigger 100dB alarms when intrusions occur.
Overview
- Color : 4 Pack
- Brand : Mengshen
- Power Source : Battery Powered
- Noise Level : 100 Decibels
- Unit Count : 4.0 Count
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 â 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
â Easy Setup
â Matter Compatible
â Smart Security
â 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 â 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 â widest compatibility
Google Home â strong for Android users
Apple HomeKit â best privacy
Home Assistant â advanced control
Smart Home Tips, Trends & Buying Guides
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