Deeper Castable Sonar has many uses and when you're out on the aluminum or lacking an installed fish finder the Deeper comes in very handy. It fits in your pocket and sends a wireless signal to your phone in real time. Here is how I located a piece of structure using my Deeper to find the spot on the spot and start to nail walleye one after another.
Fishing with a 7 foot ugly stick Lite in Medium action rod and the Piscifun Honor Reel. Lure selection was a VMC jig and a leech. 20 pound brain mainline and 10 pound fluorocarbon leader.