Remote Control Quadcopter Remote Control Aircraft with Dual Camera 480P Brushless Motor with Function Obstacle Avoidance Optical Flow Positioning, 3 Battery Specification: Item: Remote Control Quadcopter Main Material: Plastics&Electronic Material Motor: Brushless Motor Size: Unfold: 27*25*5.5cm/10.63*9.84*2.17inch, Fold: 14*5.5*8cm/5.51*2.17*3.15inch Max. Service Flight Distance: 100m Image Transmission Distance: 50-70m Weight: 148g CAMERA Front Camera: Photo Resolution: 640*480P; Video Resolution: 640*480P Bottom Camera: Photo Resolution: 640*480P; Video Resolution: 640*480P Compatible System: Andriod 5.0 or above, IOS 9.0 or above INTELLIGENT FLIGHT BATTERY Capacity: 2000mAh Voltage: 3.7V Charging Time: About 60-80mins Working Time: 15mins REMOTE CONTROLLER BATTERY Operating Frequency: 2.4GHz Battery: 3*AA Battery(not Included) Package Information: Package Size: 22*17.5*7cm Package Weight: 531g