Features: Foldable and portable, just like a book; omnidirectional protection of the propellers 12MP camera, 147-degree FOV, 4K 25fps, 1080P 60fps; HD WiFi FPV within the range of 100m SLAM ( simultaneous localization and mapping ) + optical flow for flying indoors GPS and GLONASS enable Automatic Return, Altitude / Position Hold outdoors Visual Tracking + EIS + 1-axis stabilization gimbal make the drone follow the movement precisely and shoot smoothly 3.7V 2900mAh 10C lithium-ion battery, which offers 15min flight time, can be charged by using the USB cable