These units have been tested and verified internally by Amazon to meet the specified product condition, but may have cosmetic blemishes. The units may be repackaged and sold in a brown box.
- Add these to your alarm system to expand your Safety and Security to additional doors and windows
- A Certified Refurbished Ring Alarm Contact Sensor is refurbished, tested, and certified to look and work like new.
- Get instant mobile alerts when doors and windows open in your home
- Now smaller to enable increased placement options
- Easy installation with no tools required
- Mounts to door and window frames
- Requires the Ring Alarm Base Station
Warranty: 90 Day Woot Limited Warranty
Shipping Note: Shipping to Alaska, Hawaii, and PO Boxes is not available for this item