The absolute brightest, most readable color TFT display in direct sunlight! Great target detail and separation! Compact case design and incredible low price! Display: Ultra-bright 3.5" (8.9 cm) diagonal screen 256-color, active matrix TFT LCD High-definition 320Vx240H resolution White LED backlit screen and keypad Simplified keypad Overlay Data feature displays select digital readings over the sonar graph Sonar: Depth capability to 600 ft* (182 m) with 800 watts of peak-to-peak power (100W RMS) High-performance, low-profile 200 kHz Skimmer transducer with built-in temp sensor delivers up to 60o of fish detection area with high sensitivity settings - Operates at boat speeds up to 70 mph (61 kts) - Variety of other transducer purchase options available Adjustable ping speed with automatic HyperScrollTM to display fish targets at higher boat speeds Choice of special color display modes to help reveal fish hidden in underwater cover FasTrackTM vertical bar flasher displays real-time sonar returns and relative strength of each target Advanced Signal Processing (ASPTM) automatically adjusts your settings for the best sonar picture COLORLINETM separates fish from nearby structure and bottom, and helps define bottom composition and hardness Advanced Fish I.D.TM shows underwater targets in different sizes of fish symbols FishTrackTM displays target depth readings above fish symbols Surface water temperature readings come from a built-in temp sensor in the transducer Zoom with zoom bottom tracking Selective on/off sonar alarms: Shallow, Deep, Fish Performance: Instant screen updates during depth range changes provide smooth, continuous underwater viewing Internal back-up memory for key sonar settings Rugged, reliable, completely sealed and waterproof casing, even for use in harsh saltwater environments Full one-year warranty