The conventional package comes with the DJI RC-N1 controller with no screen (you use your smartphone), but there's an option to upgrade on the DJI RC controller that has a built-in display that adds $140 towards the price. Now that we’re into the last few months on the year, many https://irvingz827bmw3.glifeblog.com/27676386/5-essential-elements-for-drones-image-processing