Requires Ooma Telo internet home phone service (sold separately) Monitors areas of concern in your home, and sends phone calls, app notifications, emails, and text message alerts to your smartphone When moisture is detected, Ooma alerts you and give you the option to quickly trigger a 911 call Download the free Ooma Home Monitoring app to check in on your home wherever you are, manage and configure sensors, and set alerts (available for iOS and Android) Easy wireless installation anywhere in your home Combine with the Ooma Motion and Door/Window Sensor for complete home monitoring