Make waves at 25 KMH with this High Speed Racing Boat (44cm/17in. Long). Features servo powered rudder for precise control, water sensor to auto-start boat when placed in the water, water-cooled motor, waterproof, anti-tilt hull and capsize recovery mode. Pistol type remote with low power warning. Includes display rack, spare propeller & charging cable. Not intended for use in salt water Remote control requires 4""AA“ batteries (not included) Item No.: Q1 Battery: 7.4V 1500 mAh Li-poly (included) Charging time: About 240 minutes Transmitter Battery: 4""AA"" batteries(not included) Controlling distance: About 150 meters Sailing time: About 8 minutes Box Size: 48.5X 30.6 X 14 cm Product Size: 43.7 X 11.7 X 12.2 cm Frequency: 2.4G Package description The following items can be found in this product package: • Boat • Remote Control • Main Blade • USB Charge • Instruction Manual • Battery • Support • Lubricating oil (SYM-Q1)