The large, ultrabright 10.4 screen of the Humminbird 1159ci HD DI Combo offers excellent 600x800pixel resolution that displays the detail of Humminbirds Down Imaging technology and the power of SwitchFire Sonar. Internal precision GPS zeros in on targets on full-screen or split-screen readouts. With a Down Imaging depth up to 350 ft., built-in ContourXD map, locating and targeting fish has been made easy. 8,000 watts peak-to-peak power/1,000 watts RMSoutput. Ethernet networking capable. Compatible with RADAR and LakeMaster/Navionics Gold.