The Ooma Smart Security mobile app, with the Ooma Telo communications hub and sensors, lets you secure and monitor your home from anywhere. * Receive alerts when activity is detected with the option to remotely call 911 from your home phone number using your home address as the location of the emergency. * Manage notification preferences and view real-time status and logs of all sensors. * Add as many sensors as you need: Door/Window, Motion, and Water. * Easy wireless installation of sensors anywhere in your home. * Use the Home, Away, and Night modes to control when you would like to receive alerts about your sensor. Add up to seven additional modes for a total of ten. * Use the mobile app to manually switch modes or automatically switch modes using a schedule with time of day and day of week. * Learn more at ooma.com.