The large, ultrabright 10.4" screen of the Humminbird 1159ci HD DI Combo offers excellent 600x800pixel resolution that displays the detail of Humminbird's 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 RMS output. Ethernet networking capable. Compatible with RADAR and LakeMaster®/Navionics® Gold.