SIMREX X300C Mini Drone built-in HD Camera, download the App onto your Smartphone, easy to view and take quality photos & video while flying. The drone provides headless mode and one key take-off & one key landing function, super easier for beginners Transmitter control with built-in gravity sensor. Training Drone with H/M/L Speed Levels: With the setting button on the controller, the drone can fly at 3 speed level, practice from slow to quick to step into experienced. Roll for perfect action and wonderful performance. It has a Powerful air pressure altitude hold function, You can release the throttle stick and the drone will keep the current height.