Rugged, castable sonar device works with free striker cast app (compatible with apple or android devices) to wirelessly stream sonar, locate fish and display them on your smartphone or tablet Quick, easy out-of-the-box setup: download the app, pair your mobile device with the striker cast sonar, and start fishing in minutes Built-in gps lets you create your own custom fishing maps with 1’ contours by using quickdraw contours software Traditional 2-d and ice fishing flasher sonar modes stream wirelessly from up to 200’ away with the striker cast app on your mobile device Performs well in both shallow and deep water Access to the garmin quickdraw community makes it easy to download maps to your device Battery life: 10+ hours (battery life may vary depending on usage) on internal usb-rechargeable battery Conserves battery by powering on when floating in water; turns off when removed Water-resistant to ipx6 and ipx7 standards (exposure to water of up to 1 meter for up to 30 minutes) Rugged and lightweight for use with a 20 lb. test weight or higher fishing line; Included components: STRIKER Cast; Carrying Bag; Tether (20 ft.); USB cable for charging; Documentation