SPECIFICATION: product battery: 14500/3.7V/500mA (modular). Charging time: about 90 minutes. Use time: about 18 minutes. Remote control frequency: 2.4G. Remote control battery: AAA * 2 (Not included). Remote control distance: about 40 meters. FEATURES: Forward, backward, turn left, turn right. 2.4G long-distance remote control, one car and one frequency, supporting multiple people to compete on the same field. Water and land dual mode, land mode, water mode. The vehicle can freely switch high-speed/low-speed mode according to demand. PACKAGE LIST: Remote control car * 1, Remote Control * 1, Battery * 1, Charging line * 1, Instruction * 1, Small screwdriver * 1