Babrit F1 High Speed RC Boat Remote Control Electric Boat-Orange color (Only Works In Water) Double powerful 280 motors,driving speed upto 15-20 KM/H Strong signal transmitter(Random frequency: 27MHZ,40MHZ,49MHZ) ,frequency is not changeable. Move forward/Backside,turn left and right.Remote control distance from 30 to 50 meters. Precise port position and self balancing stable sailing. 4.8V 700 mah reachargeable battery,Remote control battery not included(Notice: Do not leave the battery charge overnight.Safety charge time is 3 hours.Please plug off immediately when you finished charging.)