Yale Pre Break-In Sensor | Window and Door Shock & Vibration Detection, Open & Closing | Tamper Protected | Yale Horizon+ Technology 1km range | Compatible with Yale Smart Alarm | AL-SDC-1A-V1

Yale Pre Break-in Sensor | Window and Door Open/Closing and Shock/Vibration Detection | Real-time Alerts | Only Compatible with New Yale Smart Alarm

Yale AC-KF Sync Keyfob - Sync Alarm Accessory for Disarming Alarm, Black, 200m range

Yale EF-PIR Easy Fit Alarm Accessory PIR Motion Detector, White, Motion Activated, Accessory for SR & EF Alarms, 868MHz technology