Live streaming sonar lets you see where the big fish are. STRIKER Cast streams and display sonar on a simple phone app interface. For freshwater saltwater or ice fishing. Water temperature log. 2-D Sonar and ice flashing flasher modes with setting adjustments. Turn on fish icons to view graphic images of fish targets and depth readings. IPX7 Rated water resistant. Automatically powers off when floating in water. USB rechargeable battery lasts up to 10 hours. Includes: Carrying bag. 5 M Tether. USB charging cable.