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Sterling
45575 Dulles Eastern Plz
Ste 188
Sterling, VA 20166
Opens at 10 am
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Everything for Back to School — and then someShop now

Skip to contentGo to Product Search
Sterling
45575 Dulles Eastern Plz
Ste 188
Sterling, VA 20166
Opens at 10 am
Find Another Store
Main Content
Best Buy

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home security & monitoring

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door & window security

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door & window alarms

Smart Window Sensors

Smart window sensors are revolutionizing the way we secure and manage our homes, offering a seamless blend of convenience and peace of mind. These innovative devices provide real-time alerts and insights, helping you monitor your windows with ease whether you're at home or on the go. Designed to integrate effortlessly with your smart home ecosystem, they enhance security while also contributing to energy efficiency by alerting you to open windows when heating or cooling systems are in use. Explore the possibilities of enhanced home automation and take control of your living space with the latest in smart window sensor technology.

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  1. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

    SKU: J36CLVSCTR

    Great...Great ZWave device!...This works great! Easy to set up with my home automation hub (Homey Pro).

    Product Description

    A white, battery-powered contact sensor that alerts you via app when doors or windows are opened.
    See all Door & Window Alarms
    Your price for this item is $14.99

  2. SimpliSafe - 1pack Entry Sensor - White

    SKU: J3L6GWR5Y9

    I love my SimpliSafe system, and Best Buy helps me by stocking what I need. Thank you!...SimpliSafe is one of the best securities system in the market....Great Product!...Love it

    Product Description

    A discreet white entry sensor that easily installs on doors or windows for reliable home security monitoring.
    See all Motion Sensors & Detectors
    Your price for this item is $15.99

  3. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

    Best Deal on Simpli Safe is at Best Buy...The best deal the best security system....Simpli safe wouldn’t honor the 4 pk pricing but Best Biy sure would. That’s why I love Best Buy...I love my SimpliSafe...

    Product Description

    A set of four white, battery-powered entry sensors for easy installation on doors or windows.
    See all Motion Sensors & Detectors
    Your price for this item is $54.99

  4. Aqara - T1 Door and Window Sensor- Requires Hub product, Supports Apple HomeKit, Alexa, Google, SmartThings - White

    SKU: JJ8RHCJJVQ

    Love it!😍...It seems like a great idea and I love the fact that it barely uses any energy. 

    Product Description

    A white battery-powered sensor that detects door or window status and supports major smart home platforms.
    See all Door & Window Alarms
    Your price for this item is $17.99
    Save $2
    The previous price was $19.99

  5. Ring - Window & Door Sensor Instant notifications on Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White

    SKU: J39TLSQTZ2

    Product Description

    A battery-powered white sensor providing instant entry alerts via Amazon Sidewalk, no hub required.
    See all Door & Window Alarms
    Your price for this item is $19.99
    Save $10
    The previous price was $29.99

  6. Aeotec - Z-Wave Plus v2 Door / Window Sensor 7 Pro, Gen7

    SKU: J3GZ9GRQ9S

    Product Description

    A discreet sensor that wirelessly monitors doors or windows and triggers alerts via Z-Wave automation.
    See all Door & Window Alarms
    Your price for this item is $39.65

  7. Ring - Window-Door Sensor Instant notifications on Amazon Sidewalk, no base station needed, Pro Monitoring sold separately 2pk - White

    SKU: J39TLSSTFT

    Product Description

    A battery-powered white sensor pair delivers instant entry alerts via Amazon Sidewalk, no hub required.
    See all Door & Window Alarms
    Your price for this item is $34.99
    Save $15
    The previous price was $49.99

  8. Ring - Window-Door Sensor Instant notifications on Amazon Sidewalk, no base station needed, Pro Monitoring sold separately 6pk - White

    SKU: J39TLSQJV2

    Product Description

    A set of six white battery-powered sensors providing instant entry alerts via Amazon Sidewalk, no hub required.
    See all Door & Window Alarms
    Your price for this item is $79.99
    Save $60
    The previous price was $139.99

  9. FEIT ELECTRIC - Battery Powered Wi-Fi Smart Window Sensor - White

    SKU: J7C555P3QP

    Product Description

    A battery-powered white sensor that alerts your phone to door or window openings and tampering.
    See all Door & Window Alarms
    Your price for this item is $35.48
    Save $1
    The previous price was $36.81

  10. XODO - PS1 Wi-Fi Smart Door Security Sensor – Wireless Home Alarm System (2-Pack)

    SKU: JXK4Z3Y732

    Product Description

    A wireless smart door sensor pair that sends instant alerts and features motion detection with LED lighting.
    See all Motion Sensors & Detectors
    Your price for this item is $22.99
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