Yale Door / Window Contact Smart Alarm Spacer Adapter For Model: AC-DC

Ring Contact Alarm Sensor 10, 15 & 20mm and CUSTOM SIZES Spacer Shim White

Ring Contact Sensor (2nd Gen) Spacer Shim Riser Set / custom size to order

Ring Alarm Contact Sensor (1st Gen) Spacer Shim Riser Set / Custom size to order

Yale RFID Contactless Tags Works with IA Alarms for Arm and Disarming AC-RFIDTAG

Yale Water Leak Sensor Smart Sync Alarm Wireless 200m Range Sync Alarm Accessory

Yale EF Series Alarm Keypad Wireless Smart Home Security System EF-KP

3 x 3D Printed Ring Contact Sensor (2nd Gen.) 10mm 15mm 20mm Magnet Spacer Set