Today at Amazon, you can purchase a certified refurbished Ring alarm contact sensor 2-pack for $23.99. Save $10 on the original price! Ring has price matched this deal.
This package includes two certified refurbished 2nd Gen Ring Alarm contact sensors, which have been tested and restored to work like new with a limited warranty included. The upgraded compact design allows for more tight placement options. Installation is hassle-free, with no tools required as they easily mount onto doors and window frames, and you can receive instant mobile alerts when they are opened.
Shipping is free with orders over $25, and 1 or 2-day shipping is also free for Amazon Prime members with many items, but it may depend on your location. This deal could change in price or sell out at any time!