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

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

Ring Alarm Pro Wireless Security System, 14 Piece Kit with Built-in Wifi Router(2nd Gen) B08HSVCB5M - The Home Depot

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

Ring 4K11SZ-0EN0 Alarm 5-Piece Security Kit (2nd Gen) - Base Station - Motion Detector - Keypad - 250 feet - Z-Wave - Alexa - White

Shop Ring Alarm Contact Sensor (2nd Gen) (2-Pack) White at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Price

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

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.

Ring B09BXZ6YX8 Alarm Outdoor Contact Sensor (2-Pack)

Defiant Wireless Home Security Door/Window Alarm (2-Pack) THD-DW2 - The Home Depot

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