(WORKS GREAT AND GREAT DEAL THEY GO FROM 699 TO 899 )The Starpoint Positioning System measures the aircraft’s flying height and optically tracks its position. This lets the X-Star Premium fly accurately, at low altitude, even when a GPS signal is unavailable. In addition, dual GPS and GLONASS navigation ensure solid positioning even in low signal environments. Smart-Flight features like Follow, Orbit, and Waypoints allow you to focus on controlling the camera rather than the flight controls so that you can capture the most extraordinary scenes, while options like Beginner Mode can provide a geo-fence that limits your aircraft’s range and speed. The X-Star Premium is powered by a powerful, lightweight, intelligent 14.8V LiPo battery that provides up to 25 minutes of flight time and 1.5-hour worry-free charging with the included fast charger.(I WILL TRADE FOR A PS5 OR WORK WITH YA ON PRICE A LITTLE)