Hull battery: 3.7v/100ma lithium battery. Remote control battery: 2 * 5aa dry battery. Launch mode: 2.4G. Remote control distance: 10-15m. Charging time: 25 minutes. Usage time: 10-15 minutes. This boat features a dual-motor design, high-efficiency conversion device, and stable driving. It has a fully sealed waterproof gauge, double-pointed scientific drag reduction, and 2.4G high frequency intelligent control. The package includes 1*boat, 1*remote control, 1*pair of propellers, 1*USB charging cable, and 1*manual.