Garmin 010-12908-00 Ultra High-Definition Scanning Sonar All-in-One Transducer GT24UHD-TM with 800 kHz ClearVu Scanning Sonar, Black, MediumOne transducer provides the highest resolution ClearVu 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 ClearVu sonar Frequency: CHIRP High Wide (150 240 kHz); UHD ClearVu CHIRP 800 kHz (760 880 kHz); Power Output: CHIRP Traditional