Ninja Dragon Phantom 9 Optical Flow 4K Dual Camera Smart Drone

This Ninja Dragon Phantom 9 is equipped with built-in 4K Dual Camera, front camera can be just by electrically by 90° for different angles.   With 360° Obstacle Avoidance technology, allows beginners to learn how to fly easy.  Also featuring Smart Follow that follows you autonomously, making photo video taking more natural. Features:- Hover at fixed height with optical flow- Six-pass band gyroscope- One-key takeoff/one-key landing- 360 degree roll around- Rising and descending, forward and backward, left and right fly, steering;- Headless mode- Remote control ESC steering gear- Gestures to take pictures and videos- Smart Follow - Intelligent following, automatic identification and locking follow up- Emergency stop- Trajectory flight- Gravity sensor   Specification: Remote control battery: AA battery * 4 (not included)Operation mode: remote control/APP controlFrequency: 2.4GHzGyroscope: 6AxisChannel: 4CHCharging method: Universal USB interfaceBattery capacity: 3.7V 1600mAH lithium batteryFlight time: about 15-18 minutesCharging time: 80-100 minutesRemote control distance: 150 metersCamera Mode: FPVSpeed gear: slow/medium/fastExpanded Size: 11.4 * 11.4 * 2.1"Folded size: 6*5*2"