It's key features include:  High-brightness, 5", diagonal, 256-color, 1/4 VGA, active matrix TFT display produces superb color clarity and readability in direct sunlight. - High definition, 320V x 240H pixel resolution (76,800 total) TFT display renders incredible target detail and target separation. - Flourescent cold-cathode backlit screen and keypad for excellent visibility at night or in low light. - Simplified keypad with Menu and Pages keys for easy on-screen features selection. - Transparency feature permits viewing of sonar graph through menu displays. - Water surface temperature from sensor built into transducer. - Speed/distance readings with purchase of optional sensor. - Easy to connect/disconnect self-cleaning uniplug connectors. - Rugged, reliable, sealed and completely waterproof. - 2,400 watts of peak to peak power/300 watts RMS. - Depth capability to 900 feet. - Adjustable ping speed with automatic HyperScroll to display fish targets at higher boat speeds. - Choice of six color display modes to match outdoor light conditions and to help reveal fish hidden in underwater cover. - Hands-free operation ease with Advanced Signal Processing (ASP) automatically adjusts all crucial sonar settings for the best picture in virtually all fishing situations. - COLORLINE separates fish and important structure on or near the bottom from the actual bottom, and helps define bottom composition and hardness. - Selective on/off Fish ID and FishTrack features show underwater targets in different sizes of fish symbols and display the target depth readings above each fish symbol as a guide for quick and precise lure presentations. - Overlay data feature lets you view select digital readings over the sonar graph, in a choice of four data sizes. - Selective on/off sonar alarms - Shallow - Deep - Fish - plus Zone. - FasTrack vertical bar displays real-time snor returns, and the relative strength of each target. - Zoom with zoom bottom tracking. - Instant screen updates during depth range changes for uninterrupted viewing. Back-up memory.  Full one year warranty, extended warranties available. Comes with Transom Mount High Speed Skimmer Transducer with Temperature included. Trolling Motor Transducer with Temperature or "Shoot thru the Hull" Transducer may be substituted at no additional charge if desired. In some cases, we may have to cut the package open to change the transducer.