Keep your home secure and protected with this Netatmo Welcome Tag 3 Pack. You can place these discreet tags on your windows, doors or even on your mailbox for complete peace of mind. When each one is triggered, they will send a notification straight to your smartphone so that you can investigate straight away. These handy tags also come with open and close sensors, you you'll know if you accidentally left a window open or the garage door ajar. Suitable for use with the Netatmo Welcome camera (up to 12 Tags per camera), sold separately.