Haktoys HAK809 10" Mini 2.4GHz Single Blade 4 Channel RC Helicopter, Gyroscope, Rechargeable, Ready To Fly Monitor speed, trim, battery usage and other features on controller's LCD screen 2.4GHz frequency for better control and simultaneous flights Optimum charge time: 30-45 minutes, flight time: 7-9 minutes, flight range: Up to 300 feet Slow-fast adjustable speed modes, indoor/outdoor flight, spare parts are available Suggested for hobbyists with beginner-to-intermediate level RC experience and/or analog game controllers