The HUMMINBIRD Wide 100 Portable Tracker Depth Fish Finder is a compact and portable system perfect for outdoor fishing enthusiasts. With a display size of 2.9 inches x 2.35 inches and powered by batteries, this fish finder is convenient to use on the go. It features a depth indicator, back light, and sonar sensors for accurate readings. The sleek black design, along with its fish-finding capabilities, make it a must-have for any fishing adventure. Made in the United States, this Humminbird model is specifically designed for the sport of fishing. Works great slightly used take on your next fishing or canoe trip!