HawkEye® FishTrax 1X Portable Fishfinder. Features a glare-free LCD VirtuView Dot Matrix Display which can be adjusted to show raw sonar data. FishTrax Dual-Frequency Intelligent Sonar delivers precise depth readings & auto targets and intensifies fish echoes for optimal detection. Auto-zoom bottom tracking intensifies prey targeting. Algorithmic software minimizes false readings. Can be set to signal an audible alarm when depth and fish parameters are triggered. Includes auto-switching, 10-level sensitivity adjustment and multilevel depth ranges. VariableZone Temperature Sensor shows water temperature throughout the water column. Displays depth and temperature readings in either English or metric units. The FishTrax's interface is designed and written by real users to ensure ease of use. Includes a multipurpose transducer which is trollable, boat mountable and floatable. The transducer can also side-scan with the correct side-scan adapter. Takes 4 AAA batteries (not included).