Alarm Window and Door Contact Sensor - White
Alarm Window and Door Contact Sensor - Alarm Window and Door Contact Sensor installed on the inside of a front door with glass inlay.
Alarm Window and Door Contact Sensor - Close-up of two hands installing an Alarm Window and Door Contact Sensor near the top of a door.
Alarm Window and Door Contact Sensor - Close-up of a hand installing an Alarm Window and Door Contact Sensor.
Alarm Window and Door Contact Sensor - White
Best Seller

Alarm Window and Door Contact Sensor

Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews

$19.99

Take up to 18 months to pay with as low as 0% APR on some term lengths and no late fees. Prequalify now.

Need help deciding? Build your system or call 833-906-1146 to speak with an Expert.

Make sure the doors and windows are shut.

Ring Alarm Contact Sensors easily mount to any door or window frame in your home for easy, DIY installation. Subscribe to Ring Protect, sold separately, to connect them to your Ring Alarm or Ring Alarm Pro Base Station and receive mobile alerts from the Ring App whenever your doors or windows open.1 You’ll always be the first to know when something’s ajar.

Plus, if you’ve enrolled in professional monitoring2, you can choose to receive a call from the monitoring center when the Contact Sensor is triggered and request emergency assistance if needed.

Tech Specs - Contact Sensor

Size Arrow Icon

Dimensions

2.09 in X 1.12 in X 0.55 in

Power and Connectivity Arrow Icon

Power

2 CR2032 Coin cell batteries

BATTERY WARNING: KEEP OUT OF REACH OF CHILDREN. Store spare batteries securely. Dispose of used batteries immediately and safely. If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention.

Battery Life

Uses two CR2032 batteries, included, which may last up to 3 years depending on usage. Cold temperatures may drain battery life faster.

Operating Conditions

32°F to 120°F (0°C to 49°C)

Connectivity

Z-Wave (250-foot range to Base Station open air, line of sight)

Installation Arrow Icon

Operating Conditions

Indoor use

Mounting

Mounts to doors and windows

Maximum Distance Between Magnet and Sensor

1 inch. Leave 1/2" space on non-magnet side to access battery compartment.

General Arrow Icon

Amazon Customer Reviews

Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews
Five-point star symbol for product reviews

global ratings

Reviews with images

See all images

Customer reviews

Sort by Top reviews Arrow Icon

    Sort by

    Close Icon
  • Top reviews
  • Most recent
Filter by All stars Arrow Icon

    Filter by

    Close Icon
  • All stars
  • 5 star only
  • 4 star only
  • 3 star only
  • 2 star only
  • 1 star only

This product has no reviews yet

1Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including digital arming / disarming and integration with other Ring, Echo, Alexa, and third party products. Subscription sold separately. View ring.com/protect-plans for pricing and details.

2A compatible Ring Protect subscription is required to enroll in the Ring Alarm professional monitoring service. Professional monitoring service is available only within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec). Ring does not own its own professional monitoring center. Smoke and carbon monoxide monitoring is not available for a business or commercially zoned address. See Ring Alarm licenses at: ring.com/licenses

Your Cart ()

Subtotal:
Your cart is empty.
Close Icon

Modal Title
Close Icon