Dual Beam sonar provides wide 60° beam for Selective Fish ID+ and precision 20° beam for better bottom detail Selective Fish ID+™ shows fish in wide beam as hollow symbols, and fish in narrow beam as solid symbols True 4-level grayscale delivers a clearly better image of bottom, fish and structure Easy One-Touch™ control accesses full set of advanced features 800 Watts PTP, 100 Watts RMS power output, 2-1/2” target separation