This 2.2kW radar has a 16 nautical mile range, yet will zoom down to 1/8 nautical mile for tight navigation in harbors and inlets. The 1623 radar lets you readily identify objects, thanks to a high definition 6" Silver Bright LCD screen that clearly separates targets. Plus, the four-tone target display lets you easily differentiate between stronger and weaker echoes, helping to alert you of any danger.