Xpeed XP4141 Outdoor Helicopter Product Information XP4141• Lengh 46cm (18 inches)•4 Channel outdoor helicopter• Cool appearance• Stable flying The Xpeed 4141 is the most advanced helicopter in the Xpeed range.4 Channel flying for Up & down, Left & right, Forwards & backwards, Bank left & bank right. Very easy to fly, hover & land even for a complete novice. Technical Data Control distance: 50 m Battery type: 7.4V 800m Ah Li-Po Flying time: 9-10 Min Charging time: 90 min Charging mode: Charged by mains adapter Frequency: 27 M Hz