The Fisherman's Habit Portable Fish Finder Item Digital 94511 is a reliable tool for fishing enthusiasts. With a maximum depth of 100 feet, this compact fish finder features a 2-inch display with a resolution of 160 x 160. It is powered by batteries and has a Bluetooth connectivity for easy use. The device includes features such as a depth indicator, back light, and monochrome display, making it a convenient and practical choice for outdoor fishing activities.