Compatible with 2nd Gen.Includes 3v lithium battery.
Price listed is for each sensor set.
Add-on wireless contact sensors. Requires the Ring Home Alarm security kit. Sends an alert to a smart phone or tablet when the door or window with the contact sensor opens. Easy installation without tools. Requires double sided tape. Mounts to any door or window frame. Also triggers alarm when someone tampers with the sensor. Compatible with iOS or Android devices.
These have not been tested, but were functional when installed. Returns allowed if sensor set is non-functional.