Not Just Sonar SideScan Fish Sonar (**) High Output Xenon Light (**) SOS Signaling Replaceable Xenon Bulb Auto Centering Flip Switch Algorithmic Programming Instant Depth Readings English & Metric Calculations Instant Depth Updates Dry Seal Battery Housing Dual Temperature Readout SureGrip Housing Auto Readout Mode Manual Readout Mode ShootThru Technology SilverScreen Backlit LCD (**) Waterproof to 250 Feet Floatable Integrated Wrist Strap 2 Year Warranty (**) Not Included On The H22PX     (Hover Over Features)