HUMMINBIRD 4068701 PIRANHA MAX220Additional Product Information:HIGH DEFINITION 4" DIAGONAL DISPLAY; 60° & 20deg DUAL BEAM SONAR COVERS A WIDER AREA FOR FISH WITH BETTER BOTTOM DEFINITION; SEE FISH BELOW AS SOLID SYMBOLS & AROUND THE BOAT AS HOLLOW SYMBOLS; SWIVEL MOUNT ADJUSTS FOR OPTIMUM VIEWING FROM ANYWHERE ON THE BOAT; TRUE 4-LEVEL GRAYSCALE DELIVERS CLEARLY BETTER IMAGE OF BOTTOM, FISH & STRUCTURE; EASY ONE-TOUCH(TM) CONTROL ACCESSES FULL SET OF ADVANCED FEATURES; TRANDUCER INCLUDES WATER TEMPERATURE ; ULTRA-COMPACT SIZE MOUNTS ALMOST ANYWHERE; POWER OUTPUT (RMS): 200W; OPERATING FREQ: 200 KHZ & 83 KHZ; SONAR COVERAGE: 20° @ -10DB (200 KHZ) 60deg @ -10DB (83KHZ); 6.125"H X 4.375" W X 3.25"D