... when it's in water Speedboat with Remote Control Description:(1) all-round wireless remote control can advance, left turn, right trun, ... own rechargeable batteries and equipped with power charger(4) remote control driven with two AA batteries(batteries need be self- ... meters.(3) charging time: about 4 hoursProduct accessories:a remote control ,a antenna ,a power charger,a set of rechargeable battery,a ...