Top Features. OFDM Technology for increased range and; video stability Interchangeable cameras using the new X-Mount system Upto 25 minutes flight time! New ST16E Controller with a 7 HD Screen Ortho and; Geo Mapping capabilities The H520E-OFDM Hexacopter was specially developed for commercial drone applications & provides SAR ground teams inspectors police fire brigades & surveying teams with a versatile tool. The H520E-OFDM is a robust powerful & flexible UAV platform that can be ideally adapted to individual requirements & thus enables a variety of industry-specific applications. Long flight times & high-quality camera systems with embedded GPS data allow an area to be recorded quickly & precisely while the interference-free precision compass enables flying even in previously difficult-to-fly environments. In addition to the performance & flexibility great emphasis was placed on the drone's flight & data security when developing the platform. The H520E-OFDM was developed with the highest demands on safety & functionality. The 6-rotor system enables a stable & safe flight by ensuring that the H520E-OFDM can continue to fly safely even if a rotor fails. Built-in ultrasonic sensors allow the drone to detect obstacles & avoid collisions while the battery issues battery warnings when the voltage is too low & finally changes to a fail-safe function. In addition the H520E-OFDM is equipped with a redundant control signal a return home & a geo fence function. What's in the box?. 1 x Yuneec H520E Drone 1 x ST16E Ground Station 2 x Yuneec 4S 6200m Ah Battery 1 x AC/DC Charger 1 x Full set of Propellers (3 x Clockwise / 3 x Anti-Clockwise)4 x Propeller Spares (2 x Clockwise / 2 x Anti-Clockwise)1 x 12DC Car Socket 1 x Sunshade and; Neckstrap for ST16 E Manuals..