This is the Garmin STRIKER Cast Castable Sonar Device - Turns Phones Into Fishfinders Features: Easy-to-use STRIKER Cast device streams and displays sonar on a simple phone app interface. Setup is a snap. And scans of fish and structure locations are easy to interpret. Pair with free app to stream and view sonar on Apple or Android(TM) mobile devices. Setup is quick and easy. You&';ll be ready to go fishing in minutes. Cast far, fish deep. Sonar connects and streams wirelessly up to 200&';. Fish it your way. Choose traditional 2-D or ice fishing flasher modes. Get out and stay out - with 10+ hours of rechargeable battery life. Easily find and catch more fish with the durable STRIKER Cast sonar device. Just cast it out, and reel it back in to view sonar with a 200' castable range via an app display on your smartphone or tablet.