Davek Loss Alert is the companion app for the Davek Alert umbrella. Davek Loss Alert will sync seamlessly to your Davek Alert umbrella. After activation, the app will track the distance between the umbrella and phone. If you accidentally leave your umbrella behind, the app will send you a reminder notification. Never lose your umbrella again! By connecting the app to the umbrella, were able to build an invisible leash between your umbrellaand you. Notes: Davek Loss Alert only works only with authentic Davek Alert umbrellas that feature the beacon technology. The app utilizes Location services to determine the distance between your umbrella and phone. Continued use of GPS running in the background can dramatically decrease battery life.