Syma Big CH-47 Chinook 3 Channels RC Helicopter *Colors May Vary Full Function 3 Channels Remote Controlled.Intelligent RC System.Up, Down, Left, Right , Forward and Backward. Altitude & Rotor Speed Control and stable hover. 7.4V 500mAh Li-polymer Rechargeable Battery .Real Helicopter Performance . Flight Stabilizing System with adjustable trimming control .A 45 minutes charge equal to 8-12 minutes flight Flight Range: up to 100 ft radius control range .Length: Approx. 12 Inches .Height: Approx. 7.1 Inches ROHS and CE Approval .Suitable for Indoor flight or outdoor with NO wind .Suitable for Children 14+ ages.