CVS-128 Digital Echo SounderFeatures a digital signal processor for a clearer high-definition image that enhances fish targets in shallow and deep depths. Brilliant 8.4" color LCD daylight viewable display with 8, 16 or 64 color levels, Dual-frequency 50/200 kHz operation, 1000 Watts with 8 ranges from 0-3600&'; and exclusive Sona-Tone identifies what&';s under boat with different sounds for fish or schools of fish.Features: Stores up to 10 screen images in built-in memory for recall later. High-speed pulse rate transmission of 5000 times per minute for enhanced shallow water detection. Easy operation RGB output Auto fishing/cruising modes Audio/visual alarms Fishing hot spot function leads you back to your favorite fishing hot spots with input from GPS Bottom discrimination mode Real-time multi-color A-scope Built-in simulator Lat/Lon position with input from optional sensor Displays boat speed / surface water temp with Optional transducer IPX5 waterproof rating Over-head mounting and built-in flush mounting What&';s in the box: Display Unit with hard cover Mounting Bracket DC Power Cable Fuses Operation Manual Specifications: Screen Size: 8.4" Transducer Type: Not Included Transducer Included: No Box Dimensions: 8"H x 11"W x 14"L WT: 10.85 lbs UPC: 010407320748 Owner&';s Manual (pdf)