jjrc x7p 4k 5g wifi 1km fpv gps brushless rc drone with 2-axis gimbal ultra-sonic optical flow positioning - black

optical flow positioning the built-in optical flow sensor that gets the real-time optical flow information and makes integrating computations. adjustable 4k 12mp camera the built-in adjustable 4k 12mp camera is tuned amazingly to capture pictures and videos from the sky.