Everything for Back to School — and then someShop now

Skip to contentGo to Product Search
Main Content
Skip to contentGo to Product Search
Main Content
Best Buy

/

home security & monitoring

/

door & window security

/

door & window alarms

Contact Sensors

Discover the perfect solution for enhancing your home security and automation with our selection of contact sensors. These versatile devices are designed to seamlessly integrate into your smart home ecosystem, providing you with peace of mind and convenience. Whether you're looking to secure doors, windows, or other entry points, contact sensors alert you to any unexpected openings, ensuring your home stays safe and sound. Explore our range of options that cater to various needs and preferences, making it easy to find the right fit for your setup. Elevate your home's intelligence and security effortlessly with these essential tools.

Read More
Results
Main Results

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

    SKU: J36CLVSCW6

    Product Description

    A pair of easy-to-install white sensors that alert you via app when doors or windows open.
    See all Door & Window Alarms
    Your price for this item is $66.44

  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. Arlo - All-in-One Sensor with 8 sensing functions for Home Security System, 1 Pack - White

    SKU: JJ8QV84XTS

    Didn't need it but love it been upgrading my home and its been great...Best in the market.

    Product Description

    An all-in-one white sensor offering eight detection functions and easy app control for enhanced home security.
    See all Water & Temperature Sensors
    Your price for this item is $29.99

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

    SKU: JJ8RHCJJVQ

    Aqara has some of the best smart home products on the market connecting easily to Apple home or any ecosystem...Great for Home Assistant!

    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 $19.99

  6. 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

  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. VEVOR - Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App - White

    SKU: JJGHKKFTX4

    Product Description

    A wireless white door sensor alarm set with app control, 656 ft range, and smart assistant compatibility.
    See all Door & Window Alarms
    Your price for this item is $59.90
    Save $15
    The previous price was $74.99

  9. VEVOR - Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume - White

    SKU: JJGHKKFT5S

    Product Description

    A wireless white door sensor alarm with 58 chimes, 5 volume levels, and a 656 ft range.
    See all Door & Window Alarms
    Your price for this item is $25.90
    Save $7
    The previous price was $32.99

  10. Copeland - Sensi Smart Temperature and Humidity Sensor - White

    SKU: J325YXJ89X

    Product Description

    A white, battery-powered sensor that wirelessly monitors temperature and humidity for enhanced smart thermostat control.
    See all Water & Temperature Sensors
    Your price for this item is $51.47
1 - 10 of 10 items
10 items

Best Sellers

Related Pages

FAQ

Contact sensors are primarily used to detect when doors, windows, or cabinets are opened or closed. They are commonly integrated into smart home security systems to help monitor entry points and notify you of any unauthorized access.

Yes, many contact sensors are compatible with popular smart home platforms such as Google Home, Amazon Alexa, and Apple HomeKit. This allows you to automate actions or receive notifications directly on your smartphone.

Most modern contact sensors are wireless and battery-powered, making them easy to install without the need for complex wiring. However, some models may offer wired options for specific setups.

Contact sensors are best placed on doors, windows, or any entry points you want to monitor. For optimal performance, install the sensor on the stationary frame and the magnet on the moving part, ensuring proper alignment.

Yes, many contact sensors can send instant alerts to your smartphone or other connected devices when triggered, allowing you to stay informed about the security status of your home from anywhere.