Two-Year Warranty; Riptide ST Stow/ Deploy lever. The balanced motor design makes stowing easy, a master cut-off switch automatically turns off the motor when stowed.; i-Pilot Link allows Riptide ST to communicate with your Humminbird fishfinder and LakeMaster digital GPS maps, choose where you want to go. Then, your ST will take you there automatically. Store and return to waypoints, spots and paths; follow depth contours; lock on to a spot; and more. Available pre-installed or as an add-on accessory. ; Digital Maximizer controls and optimizes power to extend battery life and reduce heat. ; Weedless Wedge 2 Prop features swept-back, flared blades for optimum prop performance.; Advanced corrosion protection with premium-grade marine alloys & aluminum upper arms. ; Marine-grade urethane fully encapsulates control boards to protect the electronic circuitry. All electrical connections are sealed to form an impregnable barrier against saltwater.; Indestructible composite shaft that’s guaranteed for life. It flexes on impact and won’t break, kink or corrode. ; Cool, quiet power. The unique bearing system reduces friction to cut noise.