Mengshen 2 Pack WiFi Door Window Sensor Smart Contact Sensor with App Alerts for Home Security Works with Tuya Smart Life Devices Compatible with Alexa Google Home — Open-Box, 11% Off

Name: Mengshen 2 Pack WiFi Door Window Sensor Smart Contact Sensor with App Alerts for Home Security Works with Tuya Smart Life Devices Compatible with Alexa Google Home
Brand: Mengshen
SKU: awhd-ca-b0fdq4pfkd
Price: 24.02 CAD
Availability: InStock

Brand: Mengshen

Condition: Used - Good

$24⁰²

$26⁹⁹

-11% Save $2⁹⁷

Updated: 5 days ago

Buy at Amazon.ca

Description

🚪【Universal Smart Door Window Sensor】No 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. 📱【Never Miss an Alert】Instant 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. 👍【Easy to Installation】Simply use the included adhesive paper for quick, secure attachment—ensure the surface is clean and dry for optimal adhesion. Install anywhere: doors, windows, drawers, filing cabinets or safes in homes, offices, hotels, warehouses. 🔋【Smart Battery Management】Powered by 2*AAA battery(Not included). Get proactive low-battery notification on your phone when the battery is running out. 💞【Expandable Security System】Seamlessly 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 “Is the door open/closed?” Pair with other Tuya devices like sirens/floodlights to trigger 100dB alarms when intrusions occur.

Specification:

Material: ABS

Size:

(Main body): 25*70mm/1*2.8inch

(Small body): 12*43 mm/0.5*1.7inch

Power supply: 2*AAA battery(not include)

Battery Life: 100000 times trigger

Wireless Type: 2.4GHz WiFi

App: Smart Life / Tuya Smart

To ensure the effect, the distance between transmitter and magnetic strip should be less than 10mm and far away from the strong magnetic field during installation.

Push instant notification to your phone immediately when door or window is opened or closed. Keeping you informed all the time.

Whenever the sensor is triggered to open/close, it will send alarm to alert you that someone opens your door or window.

Support checking open / close records and battery level on the app. Never worry about missing any important moments or running out of battery.

Select "Home Management" in the "Me" page to share your added sensors with family members. so that they can also monitor the status of doors/windows.

When battery level is low, it will automatically remind you to change batteries, never worry about running out of battery.

Buy at Amazon.ca

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Product Details

SKU:: awhd-ca-b0fdq4pfkd
Model:: MS-Z44_2
Country:: CA
ASIN:: B0FDQ4PFKD

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $3 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Mengshen products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.