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

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

ring-alarm - Best Buy

Ring Alarm Outdoor Contact Sensor B0923BK77S - The Home Depot

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.

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

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

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. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces. (**) Get mobile alerts when your outdoor gates, sheds, storage containers, or windows open or close.