It adopts 4Hp brushless motor . which provides a strong driving force and avoids the trouble of maintenance. It performs well in both freshwater and seawater . and the aluminum alloy material used can greatly improve its durability. It has an LCD display . constant speed cruise . anti-eddy current functions. The unique design of thickened propeller and corrosion-resistant anode greatly extends its service life. Note: Gear oil needs to be changed every 20 working hours.