FeaturesSemi-micro size and light weight， easy to controlHigh tenacity propeller， high efficiency， driving motor and surge powerFlexibly control it by radio control functionIt is suitable for both indoor and outdoor flyingCharged by four 1.5V AA batteriesIt’s simple， sturdy construction is perfect for first-time pilotsGood capability of anti-interference while remote controlling and feel fit of the transmitterBuilt in Gyroscope for extreme stability and precisionWith infrared function， it is advance and high-techSuitable for people above 14 years oldSpecificationsBrand QingsongModel QS5013Main Rotor Diameter 3.35" / 85mmTail Rotor Diameter 0.79" / 20mmSpeed Control IntegratedRequired Radio 2.5ChannelFrequency 2.4GFlight Time Approx. 6 minutesCharging Time About 25minutesHelicopter Battery Rechargeable 75mAh Lithium BatteryTransmitter Battery 4 x 1.5V AA Batteries (Not Included)Control Distance 10-15metersBody Material PlasticDimensions (3.35 x 0.71 x 2.01)"/(8.5 x 1.8 x 5.1)cm (L x W x H)Weight 4.09 oz / 116 gNotice:Pattern send by Random，thanksPackage Includes1 x Helicopter1 x Transmitter1 x User Manual