HS720 – Holy Stone,Amazon.com: Holy Stone HS720 GPS Drone with Camera for Adults 4K UHD, 52 Minutes Flight Time, Foldable Quadcopter with Brushless Motor, Auto Return ,HS720G – Holy Stone,Amazon.com: Holy Stone HS720 GPS Drone with Camera for Adults 4K UHD, 52 Minutes Flight Time, Foldable Quadcopter with Brushless Motor, Auto Return ,Holystone HS720E: OK, but the lack of a gimbal limits its use for filming..