About this item Max speed of 2. 7 mph (4. 3 km/h) with a total work time of 45 minutes with an easy to read LED battery indicator on the top of the unit Positive buoyancy material selection for keeping it floated in the water all the time while you need to pause it or change the battery Using the 2 speed interchangeable gear (high/Low variability) and is work by its powerful dual thruster motor Left and right propeller balanced design