SpecificationsSuitable for Indoor and Outdoor FlightChannel 3.5-ChannelRemote distance (M) 10mHelicopter Battery Li-poRemote Controller Battery AA BatteryFlight time (Minutes) 8-10minsHelicopter Charging time (Minutes) 30-40minsPower Adapter Option USB PoweredWeight (kg) 0.25Dimensions (cm) 22.0 x 3.9 x 10.0Package Contents 1 Tail Prop， 1 Set of Blades， 1 Operation Manuel， 1 Remote Controller， 1 Helicopter， 1 USB Charging Cable