Lucky's visual underwater camera, an innovation of the Lucky family of products, is not only an underwater fishing sonar but also play live underwater fish bite exciting moments. It can take pictures as well as photographs, and it is very popular with families with children, so we don't call it a fish finder, we call it a perfect companion. To familiarize you with this smart fishing sonar, we recorded this demo video, which will tell you how to operate it, and read the instructions as well, I'm sure within five minutes, you'll start your fishing adventure with our Lucky fish finder.