Amazon.com: ADT Door/Window Sensor Riser Spacer (Pack of 4)- for ADT Self Setup Systems Door and Window Sensor- Sensor Not Included : Tools & Home Improvement
Magnet Riser Compatible with ADT - Self Adhesive DIY Magnet Side Sensor Spacer for Home Security System, Sensor and Magnet are not Included (0.50 Inch): Amazon.co.uk: Business, Industry & Science
Door & Window Alarms | Window Sensors | Door Sensors | ADT
ADT Monitored Door and Window Sensors | 833-930-0717
Re-Attaching a Door or Window Sensor | ADT Home Security - YouTube