GARMIN GT54UHD-TM ULTRA HIGH-DEFINITION SCANNING SONAR ALL-IN-ONE TRANSDUCEROne transducer provides the highest resolution ClearV and SideV scanning sonar images available and amazingly clear high wide CHIRP traditional sonar High wide CHIRP traditional sonar provides remarkably clear target separation and definition See incredibly detailed images of fish and structure up to 200 below your boat with 800 kHz ClearV sonar Two SideV sonar frequency settings (455 1200 kHz) provide options for extended range of up to 500 Easy to