Lowrance HOOK-9 Fishfinder/Chartplotter Combos combine the benefits of DownScan Imaging and CHIRP Sonar technology to give you a complete and clear view of the underwater environment beneath your boat. The Lowrance HOOK-9's enhanced sonar sensitivity, superior noise rejection and excellent target separation, make it easier to see gamefish and baitfish targets. Featuring a built-in GPS antenna and proven navigation features, the HOOK-9 Fishfinder/Chartplotter Combo makes revisiting your favorite fishing spot simple, whether you use the base map, your own Insight Genesis custom maps, or optional high definition chart upgrades.
Plot Trail storage: Up to 100 trails - up to 10,000 points/trail
GPS Alarms: Yes
Custom Mapping: Optional Americas chart upgrades include Lake Insight and Nautic Insight PRO, Navionics HotMaps Premium and Fishing Hotspots PRO. Global chart upgrade options include Navionics+
Background Mapping: World reference basemap plus over 3,000 enhanced U.S. lake maps with depth contour and shoreline detail, and U.S. coastal depth contours/shoreline detail and spot depth soundings to 1,000' /305M
The unit continuously freezes and the only way to unfreeze is to unplug the power cord. I have the new software version 2.0 7.0 10.0 too. Makes for a lot of fun going in the inlet in the dark and you don't know it just locked up. Someone could get killed relying on a Lowrance hook 9.