Automatic 110-decibel alarm when an intruder is detected Alarm System arms and disarms itself automatically Install it in minutes Pre-recorded noises make it sound like someones home Smartphone notification if someone tries to disable the Indoor Siren Alarm can be activated via your smartphone No subscription fee Only works with Netatmo Smart Indoor Camera, sold separately Needs to be installed indoors, in the same room as the Camera. Maximum 1 Siren per Camera The Indoor Siren and Camera team up to keep your home extra secureThe Netatmo Indoor Siren works perfectly with your Smart Indoor Camera to keep your home safe. Using facial recognition, the camera distinguishes between familiar and unfamiliar faces, animals, and harmless movements. No false alarms! If an intruder is detected, it sends a notification to your smartphone, while the Indoor Siren automatically sounds its deafening 110-decibel alarm.Alarm arms and disarms itself automaticallyDid you dash out of the house to catch yo