Features: 1) Sturdy and portable: integrated body, strong and durable; quick release propeller, easy to carry; 2) Intelligent positioning: Ultrasonic Aititude Hold + optical flow mode + GPS/GLONASS mode positioning system, so that indoor and outdoor have a good hover flight performance; 3) Novice mode: For the novice built-in geofence, high-limit flight, so that novices […]