sg900-s sg900s x192 gps quadcopter with 5mp hd full camera rc helicopter gps fixed point wifi fpv drone follow me mode dron

description: 1.gps mining point of aerocarft:10seconts after the take off of the aircraft,gps automatic collection of return points(flight height recommended in more than 3 meters) 2.gps positioning return: one button automatically return to the take-off point, the flight control voltage low automatically return to the take-off point, no remote control signal automatically return to the take-off point. 3.gps positioning, one key fixed height, one key landing function. 4.smart following: t...