Algorithmic Programming Instant Depth Updates English & Metric Readings Readings at 60+ MPH MarineLink® Technology Automatic Code Learning Inductive Charging Internal Rechargeable Battery Pivoting Belt Clip Waterproof to IPX7 EasyTouch Programming Dual Depth Alarms One-Touch Alarm Muting Advanced Warning System Memory Retention Transom/In-Hull Transducer Removable Transom Bracket ShootThru Sonar Technology Removable Transom Bracket Polarized LCD Display SoftGlow Backlit Display Transducer Exchange Patented Technology 2 Year Warranty   Portable Wireless Display   MarineLink® Transmitter     Dual Mount Transducer   Pivoting Belt Clip   Inductive Charging     Transducer Exchange         (click to learn more)                                                            (hover Overview features)