WL UFO 2.4G 4CH RC Quadcopter Helicopter with Camera -- fashion design -- stable flight -- 3D rolling WL UFO 2.4G 4CH RC Quadcopter Helicopter with Camera Specification Product size: 19*8*19 cmFrequency : 2.4GHelicopter battery: 3.7V(500MAH) 3.7V(500MAH) li-poly battery Charging time: 50 minutesFlight duration : 7-8 minutesTransmitter batteries: 6 x 1.5v AA Alkaline batteries Fly range : fly ...