Ring Alarm Contact sensor 2nd Gen Overview
 
Get real-time notifications the moment a door or window opens in your home. 
Now with a more compact design and a slim removable magnet for easy installation, even when space is limited. 
 
Make sure your doors and windows are shut
Alarm Contact Sensors simply connect to your Alarm Base Station and include a removable slim magnet for easy installation on any door or window frame in your home. Choose to get audio or mobile notifications so you’ll always be the first to know whenever your doors or windows are opened.

Trigger your Alarm if someone tampers with Contact Sensors and system is armed in Away or Home Mode.
 
Requirement
* Requires Alarm Base Station.
* Compatible with 1st and 2nd generation Alarm devices and accessories.