Yale AC-PETPIR Sync Alarm Pet Friendly Motion Detector - Sync Smart Home Alarm Accessory - 200m range The Yale Sync Pet PIR Motion Detector is an accessory of the Yale Sync Smart Home Alarm (NOTE: This product does not work with EF and SR alarms) The Pet Friendly Motion Detector will activate the alarm when movement over 25kg is detected so you will not have false alarms with pets in the home. If it detects movement over 25kg it will trigger your alarm and enable the Sync Smart Home Alarm to notify you immediately when motion is detected in the home locally via the siren and remotely by the Yale Smart Living Alarm App.