The Alert Sensor’s wireless, hub-free design makes it easy to use. Place these sensors on doors, windows, drawers, baby gates, or more.
Receive notifications to your smartphone or tablet when doors, windows, etc, open or close. With the Hubble app you can get an alert when your toddler is attempting to escape the nursery or when your preschooler is sneaking around in the dresser or the fridge..
The Hubble app allows you to track and receive alerts on compatible smartphones and tablets.