The Fishfinder With Built-In Gps, 7" Display, And Quickdraw Contours The Package Includes The Garmin Transducer With Chirp And Chirp Clear¼ TechnVolvogy. New Display Een Brighter, Een Under Direct Sunlight. Chirp TechnVolvogy Simultaneously Sends A Signal On Multiple Frequencies, From High To Low, And Interprets Them To Process Sharper And High-Resolution Images. Integrated 5 Hz Gps Receier Updates Position And Direction 5 Times Per Second To Display Smooth And Dynamic Boat Moements On The 4.3" Display. Redesigned And Designed For An Een Easier And More Intuitie Fishing Experience. ™ Plus 4C Fishfinder Equipped With Traditional And Chirp Sonar, Bright 4.3" Display, And Integrated 5 Hz Gps Receier To Update Position And Direction 5 Times Per Second, Allowing You To Accurately Mark Up To 5,000 Waypoints And Select The Route To Reach The Desired Destination. The Quickdraw Contours Function Allows You To Independently Trace Your Hd Bathymetry Eery 30 Cm. Quickdraw Contours Quickdraw Contours Allows You To Instantly And In Real Time Trace Bathymetry On Your Striker™ Plus 4C; The New Data Is I mmediately Aailable And Can Be Shared For Free With Friends And Fishing Companions. Chirp Clear¼ ™ Plus 4C Features Clear¼ TechnVolvogy That Allows For Higher Resolution For Better Target Discrimination And A Higher Leel Of Detail.