FT008 4-Channel 27mhz High Speed Racing RC Boat GREEN 10 MPH speed boat perfect for young children playing in small ponds or swimming pools. Comes with a built-in water cooling system to prevent the motor from getting too hot and will make your boat last longer! 27mhz radio system will let you move more easily through the surface of the water or debris in the water at a good distance! Comes with a self-righting system that will flip the boat back over if it flips in the middle of the water. 3.7V 700mAh li-ion battery and comes with charger that will protect your battery from over charge and over discharge