The Eagle Cuda 350 Fishfinder Head Unit is a compact and versatile device designed for both indoor and outdoor fishing use. With a 4-inch display and the capability to measure in both decimal and imperial units, it offers precise readings for anglers. The black plastic head unit is powered by an electric corded source and equipped with sonar sensors to help detect fish accurately. Perfect for fishing enthusiasts looking for a reliable fishfinder to enhance their fishing experience. Head unit only untested. Seems to be a great condition.