The 48 cm RC boat Wind Reaver can achieve a top speed of 10 kmph. The boat is equipped with a dual-channel wireless RC handset for full driving functions. The Hydro flyer operates on a 27 MHz frequency, but is equipped with an ABC switch, which allows several vehicles/boats with the same frequency to line up against each other. Scale 1:18. Batteries included for the transmitter (TX) (9V 6R61) and the receiver (RX) (9.6V Ni-MH power pack and a GS charger). Recommended for children from age 8.