Don't miss a single catch with this Deeper START fish finder. Its wireless sonar technology connects straight to your phone for a real-time view of what's happening below the surface. See fish, vegetation and bottom contours without leaving dry land. The Fish Deeper App shows every fish icon with size and depth data. It helps you make smarter decisions about where and how to cast. And with a powerful 40° sonar beam, you can cover a wide area to locate fish quickly and easily.Good to know- It's waterproof, shockproof and freezeproof - perfect for fishing in any weather- With up to six hours of battery life, you can fish for longer without charging- Fast charging lets you get back on the water in just two and half hours- Its WiFi connectivity gives you fast data transfer and a rock-solid connection