XIRO Xplorer for GoPro Aerial UAV Drone Quadcopter with 3 Axis Gimbal -- G Version Ready to fly quadcopter: Charge the included battery, attach the propellers & start the remote controller Compatible with GoPro HERO 4, Real time live preview and flight status achieved by attaching smart phone to the remote controller High-precision 3-axis camera stabilization system enables a whole new level of smooth, stable and blur-free photo capture and video recording in the sky Distinguished Follow Me and Circle Around Me functions bring you incredibly amazing selfie shots with great ease and lots of fun Built-in 5,200-mAh lithium polymer (LiPo) rechargeable battery can fly up to 25 minutes on a single charge