2015 NEW Design 2.4g Rc Speed Boat Double Horse 7016 with Water Cooling System 7016 2.4G high speed RC boat Top speed 30KM/h, Water cooler function , Powerful high speed motor Professional large torsion propeller, Build in server Stop setting when leaving the water, Function:go forward,backward,turn left and right,with righting function Product Size :17.6 x 7 x 3.5 inches ( 45*17.5*8.5cm )