Top 10 Best ring alarm sensors in 2026

Last Updated - 6/25/2026

🏆Best Choice

Ring

Ring Alarm 14-Piece Kit – Wireless Smart Home Security System | Expandable | Easy Setup | Mobile App Control | 24/7 Professional Monitoring | Alexa Compatible

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•A great fit for 2-4 bedroom homes, this Alarm Kit includes one Base Station, two Keypads, eight Contact Sensors, two Motion Detectors, and one Range Extender.
•Includes an intuitive Keypad that can arm and disarm your Alarm and Contact Sensors that detect when doors or windows open.
•Choose the Ring Alarm Kit that fits your needs and detect even more with additional Alarm Sensors and accessories (sold separately) at any time.
•Receive mobile notifications when your system is triggered and monitor all your Ring devices all through the Ring app.
•More peace of mind. Subscribe to Ring Home Standard (sold separately), to Arm your Alarm from anywhere, keep your system online if the Wi-Fi goes down, and more. Plus, add Alarm Professional Monitoring to your eligible Plan for emergency police, fire and medical response, and more.
•Better with Alexa - Arm and disarm your Ring Alarm using only your voice with a compatible Ring Home Plan (subscription required, sold separately).

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$329.99

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Ring

Ring Alarm Motion Detector | Pet-Friendly Security with Adjustable Settings | 90° Coverage & 25ft Range | Easy Installation | Base Station Required

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Receive mobile notifications when someone triggers the Motion Detector, opens a window or door, or sets off the siren (subscription required, sold separately). Adjust your Motion Detection level to help avoid false alarms from the pets. Link Ring cameras to turn on when your Alarm is triggered, and more, all from one simple dashboard.
•Now smaller to enable increased placement options.
•Easy installation with no tools required.
•Mounts to room corners and flat walls.
•Uses two AA batteries.
•Requires the Ring Alarm Base Station.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).

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$29.99

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Ring

Ring Alarm 8-Piece Kit – Wireless Smart Home Security System | Expandable | Easy Setup | Mobile App Control | 24/7 Professional Monitoring | Alexa Compatible

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•A great fit for 1-2 bedroom homes, this Alarm Kit includes one Base Station, one Keypad, four Contact Sensors, one Motion Detector, and one Range Extender.
•Includes an intuitive Keypad that can arm and disarm your Alarm and Contact Sensors that detect when doors or windows open.
•Choose the Ring Alarm Kit that fits your needs and detect even more with additional Alarm Sensors and accessories (sold separately) at any time.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•More peace of mind. Subscribe to Ring Home Standard (sold separately), to Arm your Alarm from anywhere, keep your system online if the Wi-Fi goes down, and more. Plus, add Alarm Professional Monitoring to your eligible Plan for emergency police, fire and medical response, and more.
•For added peace of mind, pair with Alexa to help you keep an eye on your home. Connect with Alexa to hear motion alerts on your compatible Echo device or see a Live View with an Echo Show, Fire TV, or Fire Tablet. Talk to visitors by saying, “Alexa, talk to the front door.”

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$249.99

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Ring

Ring Alarm Glass Break Sensor – 2-pack

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Monitor glass windows and doors for break-in attempts with Ring Alarm Glass Break Sensor.
•Get mobile alerts when the Glass Break Sensor detects the sound of glass shattering in your home, or set the sensor to automatically sound your Ring Alarm siren when armed in Home or Away mode.
•Ring Alarm Glass Break Sensor uses AI technology to accurately detect the sounds of different types of breaking glass and help reduce false alarms.
•Requires Ring Alarm or Ring Alarm Pro.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•Ring Alarm and the professional monitoring services are available and ship only within U.S. (excluding U.S. territories) and in Canada.

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$69.99

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Ring

Ring Alarm Contact Sensor Riser (2nd Gen) | Elevates Sensor for Crown Molding & Trim | Easy No-Tools Installation | Works with Ring Contact Sensors

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Riser and magnet only, Contact Sensor sold separately.
•Helps your Ring Alarm Contact Sensor and magnet properly align on uneven doors, windows or frames to not exceed the 1-inch max detection gap.
•Riser adds 10mm in height to your Contact Sensor, and includes a separate sensor magnet that’s 10mm taller than the original.
•Indoor use only. Mounts to doors, windows, or frames.
•Sensor Riser: Length: 2.09 inches (53 mm), Width: 1.12 inches (28.5 mm), Height: 0.49 inches (12.5 mm).
•Magnet: Length: 2.09 inches (53mm), Width: 0.43 inches (11mm), Height: 0.95 inches (24.1 mm).
•Sensor Riser: 0.23 oz. (6.5g); Magnet: 0.55 oz. (15.7 g); Combined: 0.78 oz. (22.2 g).

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$9.99

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Ring

Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Get instant mobile alerts when doors and windows open in your home with a Ring Protect subscription (sold separately).
•Now smaller to enable increased placement options.
•Easy installation with no tools required.
•Mounts to door and window frames.
•Includes two 3V CR2032 batteries.
•Requires the Ring Alarm Base Station.

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$99.99

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Ring

Ring Security Yard Sign - Alarm Monitoring

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Tell the neighborhood that your home is protected by Ring Alarm and 24/7 professional monitoring.
•Stick this Security Yard Sign into soft ground in front of your home to stop crime in its tracks.
•Includes Security Yard Sign and mounting stake.
•Sign: 8.66 in. x 8.66 in. x 0.6 in. Tube: 23.8 in. x 0.51 in. x 0.51 in. Anchor: 3.66 in x 0.52 in.

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$14.99

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Ring

Ring Alarm Outdoor Contact Sensor 2-Pack | Monitor Gates, Garages & Outdoor Spaces | Weather-Resistant Design | 250ft Range | Easy Installation | Base Station Required

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor.
•Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode.
•With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates.
•Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
•Requires Ring Alarm or Ring Alarm Pro.
•See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
•Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada.

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$89.99

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Ring

Ring Alarm Open Window Magnet (2nd Gen) | Secure Partially Open Windows | Enjoy Fresh Air While Protected | Ring Contact Sensor & Base Station Required

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Leave sliding doors and windows cracked open for ventilation and still have security with Open Window Magnets for Ring Alarm.
•Intended for use with the Ring Alarm Contact Sensor (sold separately).
•The Alarm Contact Sensor connects to your Alarm Base Station and easily mounts to any door or window frame in your home. With a Ring Protect subscription (sold separately), it sends you mobile alerts whenever your doors or windows open, so you’ll always be the first to know when something’s ajar.
•Operating Conditions: 32°F to 120°F (0°C to 49°C).
•Dimensions: 2.09” x 0.43” x 0.54” (53mm x 11mm x 13.61mm) - Maximum Distance Between Sensor and Magnet: 1 inch.
•Mounting: Mount to Door or Window Frame; Mount with attached adhesive pad.
•Requires the Ring Alarm Security Kit.

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$4.99

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Crvicv

Adhesive Replacement Tape for Ring Alarm Contact Sensors & Magnets (2nd Gen) – Durable Double-Sided Pads for Easy Installation – Pack of 12 Sensor Pads & 12 Magnet Pads, Pre-Cut, No Cutting Needed

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Perfect Compatibility: Specially designed adhesive replacement pads compatible with Ring Alarm Contact Sensors & Magnets (2nd Gen), ensuring a secure and snug fit every time, No need for scissors or trimming-our adhesive tape is pre-cut to the exact dimensions, saving you time and effort
•Seure Hold & Durable Design: Premium double-sided adhesive tape offers a reliable, long-lasting bond while resisting wear, keeping your sensors and magnets firmly in place
•Damage-Free Installation: Easy to apply and remove without leaving sticky residue or damaging surfaces, making replacements hassle-free
•Complete Set for Convenience: Includes 12 sensor pads and 12 magnet pads, providing ample replacements for immediate use and future needs
•Versatile Use: Ideal for various surfaces, including walls, doors, and windows, ensuring seamless installation wherever your sensors are needed
•Perfect for Moving or Temporary Living: Ideal for when you move to a new home, college dorm, or apartment where the original adhesive can no longer be used, offering a hassle-free replacement solution for renters and students alike

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$8.92

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