This easy fit smartphone alarm kit 3 is yale39s top of the range system it is operated by your smartphone or via a pc web browser when the alarm is triggered the pir camera takes an image of the environment and sends it directly to your phone so you can be visually notified of any disturbance once the alarm is triggered an external siren is sounded and you will receive an email or push notification ios only on your smarphone you can further expand the system with yale accessories so