The JoyStone RC boat2.4G 15+ MPH Fast Remote Control Boat with LED Lights is packed with 2 * 3.7V 1200mAh high quality batteries it will extend the driving time up to 240 minutes which depends on the operation. Use a transparent boat cover with red blue and green cool LED light stripes under the cover to optimize lighting which makes your RC boat more unique and attractive. Facilitate night racing! With double motor and double propellers It s much easier for players to control the direction of this remote control boat. Even beginners can learn how to control the rc toy boats after several tries. When the remote control signal is weak the remote control will sound an alarm. Parts List: Remote control unit*1 Hull + support * 1 3.7V 1200mAh Lithium battery*2 Charging cable*1 Airscrew*2 Nut*2 Wrench*1 Specification*1