Ring Contact Sensor - 2 pack - White -1st Gen BRAND NEW, SEALED
Works with Alexa. Get instant alerts when doors or windows open in your home. Compatible with any iOS or Android device. Easy installation with no tools required. Mounts to doors and window frames. 3V Li battery included.
MPN: UPC 0842861101942
Item Specifics: Z-wave Smart Home Protocol. This device requires a Ring Alarm Security System.