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Alert Sensors

Discover the world of alert sensors, where cutting-edge technology meets peace of mind. These innovative devices are designed to keep your home or business secure by detecting unexpected changes in your environment. Whether you're looking to enhance safety, monitor activities, or simply stay informed, alert sensors offer a versatile solution tailored to your needs. From motion detection to environmental monitoring, these sensors provide real-time alerts that help you stay one step ahead, ensuring that you're always in the know. Explore our range of alert sensors and find the perfect addition to your smart security setup today.

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  1. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

    SimpliSafe Sensor...Easy Setup, system recognized new sensors immediately....Sensor Review...Sensors work perfectly. Easy to setup and install.

    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

  2. SimpliSafe - Water Sensor - White

    SKU: J3L6GWR5PW

    Good sensor...These water sensors are quite goodWould recommend...Excellent sensor!!...I tested by poured water underneath the sensor and it alert me quickly.It’s so easy to add this sensor to my SimpliSafe...

    Product Description

    A white water sensor that alerts you instantly to leaks and integrates with SimpliSafe alarm monitoring.
    See all Water & Temperature Sensors
    Your price for this item is $19.99
    Save $10
    The previous price was $29.99

  3. SimpliSafe - Smoke & Carbon Monoxide Alarm Listener - White

    SKU: J362VFSG67

    Product Description

    A white listener that connects to existing detectors for app alerts and professional fire or CO monitoring.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $44.99

  4. KitchenAid - 5.2 Cu. Ft. Built-In Mini Fridge - Stainless Steel

    SKU: J3KHV8FFWS

    Product Description

    A stainless steel undercounter mini fridge with motion-activated LED lighting and UV-protected thermal glass door.
    See all Mini Fridges
    Your price for this item is $2,744.99

  5. Police Security - ALERT120 - Grey/Black

    SKU: JXQSLQYQHP

    Product Description

    A compact grey and black personal alarm keychain with 120dB siren, 500-lumen flashlight, and strobe.
    See all Flashlights & Portable Lights
    Your price for this item is $29.99

  6. KitchenAid - 24" Panel-Ready Beverage Center - Custom Panel Ready

    SKU: J3KHVGZR6X

    Product Description

    A panel-ready beverage center featuring dual temperature zones, wood-front racks, and a fully flush built-in design.
    See all Wine Coolers
    Your price for this item is $2,789.99

  7. KitchenAid - 5.0 Cu. Ft. Undercounter Refrigerator - Black Cabinet/Stainless Steel Doors

    SKU: J3KHVGZTSF

    Product Description

    A sleek black undercounter refrigerator with stainless doors, LED lighting, and automatic temperature monitoring system.
    See all Mini Fridges
    Your price for this item is $2,339.99

  8. KitchenAid - 5.0 Cu. Ft. Undercounter Refrigerator - Black Cabinet/Stainless Steel Doors

    SKU: J3KHVGZTHP

    Product Description

    A sleek undercounter refrigerator with black cabinet, stainless steel doors, LED lighting, and temperature monitoring.
    See all Mini Fridges
    Your price for this item is $2,339.99

  9. KitchenAid - 5.2 Cu. Ft. Undercounter Refrigerator with Glass Door - Black Cabinet/Stainless Steel Doors

    SKU: J3KHVGZRX7

    Product Description

    A sleek black cabinet refrigerator with stainless doors, glass shelves, and motion-activated LED lighting.
    See all Mini Fridges
    Your price for this item is $2,339.99

  10. KitchenAid - 5.0 Cu. Ft. Undercounter Refrigerator - Custom Panel Ready

    SKU: J3KHVGZTH2

    Product Description

    A custom panel-ready undercounter refrigerator with ultra-bright LED lighting and temperature monitoring system.
    See all Mini Fridges
    Your price for this item is $2,339.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.