Alarm Window and Door Contact Sensor

Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Subscription required, sold

Ring 4XD3S7-0EN0 White Alarm Window And Door Contact Sensor 2-Pack at Sutherlands

Hard Wired Door Window Contacts

Ring Alarm Window & Door Contact Sensor (2nd Gen) 842861111064

Door/Window Contact Sensors in Business Security Systems

Ring Alarm Contact Sensor

Uxcell Magnetic Sensor Home Door Window Entry Warning Switch

Tips for Installing Contact Sensor (2nd Gen)

For example, get real-time alerts at the exact moment you have an unexpected guest, a runaway child, an opened safe or an escaped pet.

Treatlife Smart Door & Window Sensor (Smart Hub Not Included) ZCS-10

Wired Door Contact Sensor / Door & Window Magnetic Alarm Sensor Shenzhen Manufacture - China Magnetic Switch, Magnetic Door Switch