Newest DH 9074 Model 3.5CH Metal Gyro RC Helicopter Length : Approx. 12 Inches.Height: Approx. 6 inches (from landing gear to balance bar).Main Rotor Surface Diameter: Approx 7.1 Inches.Suitable for Children 14+ ages. Full Function 3 Channels Remote Controlled with Gyro.Intelligent RC System.Ready-To-Fly straight out of the box Up, Down, Left, Right , Forward, Backward, Low Speed & High Speed.With Flashing lights (on balance bar) during flight. 3.7V 800mAh Li-polymer Rechargeable Battery (for Helicopter).Approximately 8-12 minutes flight time (depends on how you fly). Flight Range Approx. 100 ft