Ring Alarm Contact Sensor (2nd Gen) (2-Pack) White 4SD2SZ-0EN0 - Best Buy

When armed, the Ring Alarm security kit sends notifications to your phone and tablet whenever doors or windows open and when motion is detected at home. It's fully customizable and expands to fit any house or apartment.

Ring Alarm Security Kit- 5 Piece (2nd Gen)

Best Buy: Ring Alarm Contact Sensor (1st Gen) (2-Pack) White 4XD3-S70EN0

Ring B07ZB2QF2V Alarm Motion Detector (2nd Generation) Place Alarm Motion Detector in each room of your home to get mobile alerts whenever motion is detected indoors. Subscription required, sold separately*. Features Set Your Security In Motion Get alerts whenever motion is detected inside your home with the Alarm Motion Detector. Subscription required, sold separately*.

Ring Alarm Motion Detector (2-Pack)

Ring Alarm Contact Sensor 2-pack (2nd Gen) : Tools & Home Improvement

Ring Alarm Door/Window Contact Sensor (2-Pack) (2nd Gen) 4SD2SZ-0EN0 - The Home Depot

Ring Alarm Contact Sensor 2-pack (2nd Gen) : Tools & Home Improvement

Ring - Alarm Pro Base Station - White

Ring Alarm Contact Sensor 2-pack (2nd Gen) : Tools & Home Improvement

Ring 4SD1S7-0EN0 Alarm Contact Sensor - White for sale online

Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors easily mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm Base Station and receive mobile alerts from the Ring app whenever your doors or windows open. You'll always be the first to know when something's ajar.