SAFE technology is a revolutionary leap forward in flight control and training. Click here to learn more. Key Features SAFE technology provides spatial awareness and flight envelope protection The ideal beginner's choice when learning to fly with an instructor Quick, easy assembly Lightweight and durable Z-Foam construction Powerful 15-size, 840Kv brushless out runner motor installed-flite 30A Pro Switch-Mode BEC Brushless ESC installed Large, easy-access battery compartment Wide-stance tricycle landing gear Nose wheel steering for better ground handling Powerful 3S 3200mAh 20C Li-Po battery included-Po balancing DC charger included Optional E-flite Apprentice S Floats (EFLA550), available Safe Technology Information Needed To Complete Nothing! Everything you need to get flying is included in the box. Overview The E-flite Apprentice S 15e RTF airplane is the most intelligent RC airplane ever offered by Horizon Hobby. At its heart is groundbreaking SAFE (Sensor Assisted Flight Envelope) technology that makes RC flight incredibly easy, even for the least experienced user. Its combination of spatial awareness provides flight envelope protection which adds a degree of security never before available, while its smooth flight capability battles windy conditions so that all you feel is control that's crisp and responsive. Multiple levels of flight envelope protection are provided that can be reduced or removed as your skills progress, yet the "panic" feature is always there to instantly return the model to level flight if you ever lose orientation.