Built-In 480P/720p WiFi camera and electronic compass, WIFI real time transmission for videos and photos between built-in camera and mobile attached to the remote controller. 4-axle gyro quad-rotorcraft flight, strong stability, can easily implement various flight movements, stronger wind resistance, easier to control. 2.4GHz technology adopted for anti-interference. Allow to fly up to 20 pcs at the same time without interference with each other. The quadcopter can fly both indoor and outdoor. F