Yale EF-DC Easy Fit Alarm Door/Window Contact, White, DIY Friendly, Accessory for SR & EF Alarms, Suitable for Main Access Points

Yale EF-DC Easy Fit Alarm Door/Window Contact, White, Accessory for SR & EF Alarms, for main access points

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