I got this portable fish finder and its like a bober and then a watch shows whats under the bottom and such




The Humminbird® SmartCast™ wrist sonar features a sensor that attaches to your fishing line for a real-time view of fish, bottom and underwater structure right where your bait is. You can preview an area before you fish it by simply casting out and reeling in for an accurate picture of what's below. The easy-to-see wristmount display offers 1-touch menu navigation that easily controls Fish ID, depth range, fish alarm and sensitivity




What do u think !