The UDI U818A HD has the Headless/IOC function. Usually, the forward direction of a flying multi-rotor is the same as the nose direction. By using Headless/IOC, the forward direction has nothing to do with nose direction. This lessens the steepness of the learning curve and allows the pilot to enjoy flight while slowly learning each specific orientation of the quadcopter. 6 AXIS GYRO - Equipped with the latest 6-axis flight control systems, 3D lock, More scheduled flight, operating more to the force! 360° Eversion - One key 360°roll,continuous roll for perfect action and wonderful performance

This bundle includes 2 DJI Intelligent Flight Battery for Spark Drone The Spark Intelligent Flight Battery has a capacity of 1480 mAh and a voltage of 11.4 V. It enables 16 minutes of flight on a single charge. 12 intelligent protection functions help deliver safe flight. Additionally, Spark's battery estimates remaining flight time, letting you know when to land in real-time.