Top Race TR-807 Mini 4 Channel Single Propeller Professional RC Helicopter RTF (Indoors/Outdoors) Top Race TR-807 Mini 4 Channel Single Propeller Professional RC Helicopter RTF (Indoors/Outdoors) Single propeller design, 3 -axis gyro , Flybarless balance, Electronic control system, Durable Metal Design, automatic correction flight, Ready To Fly Charging time: 50 minutes, Flying time 8-10 Min. Distance more then 100 ft. Size: 29.5 * 5 * 7.5cm, Includes: TR-807 Helicopter, 2.4GHz Digital Transmitter, USB Cable, Charging hub, Spare Propellers & Tail Blade, Screw Driver, User Manual.