new High-detail, Wide-coverage 200 KHz Lowrance Fishfinder Delivering The High-performance Sonar Anglers Have Come To Expect From Lowrance, The Cost-efficient X-series Fishfinders Feature A Full 4-inch Film Supertwist Led Display For Easy Viewing Especially In Direct Sunlight, With 4-level Gray Scale Definition For Superior Clarity And Target Definition. The Lowrance X-series Offers Anglers Single- And Dual-frequency Performance Options For A Variety Of Fishing And Boating Conditions. Equipped With A Rugged, Low-profile 200 KHz Skimmer Transducer, The X-4 Delivers A Wide, Effective Fish-detection Area Of Up To 60-degrees With High-sensitivity Settings To Depths Of 600 Feet. The X-4 Models Deliver Impressive Bottom Readings At Speeds Up To 70 Mph And Feature A Built-in Water-temperature Sensor. The New Performance X-series Models Also Feature Innovative Sonar Technologies That Make Lowrance Fishfinders A Favorite Among Anglers And Boaters; Including Grayline For Precision Separation Of Fish From Nearby Structure And The Bottom, Advanced Signal Processing (asp) That Automatically Adjusts Sonar Settings To Provide Anglers With Best Picture, And Fishtrack To Display Target Depth Readings Above Fish Symbols