Product Details An exciting evolution of the world's favorite "club" trainer, the E-flite Apprentice STS 1.5m is equipped with SAFE technology-and can be upgraded with SAFE Plus technology and a Landing Assist Sensor-to make learning to fly easier than ever before!   Key Features Perfect for first-time pilots, experienced pilots that teach others to fly and club training programs The ideal choice for new pilots when learning to fly with an instructor at an RC flying field Exclusive SAFE technology from Horizon Hobby makes it easy to learn to fly Powerful and efficient brushless power system including a Smart ESC Durable EPO construction that's tough yet lightweight In The Box (1) E-flite Apprentice STS 1.5m with: (1) Brushless Outrunner Motor (installed) (1) 30A Brushless Telemetry-Capable ESC (installed) (3) 13g Digital Metal-Geared Servos (installed) (1) 37g Servo (installed) (1) Spektrum 3230 Flight Controller (installed) (1) Spektrum 4650C Serial Receiver (installed) (1) Spektrum DXS 2.4GHz DSMX Transmitter (1) Product Manual Needed to Complete 3S 11.1V 3200-4000mAh LiPo battery with EC3 or IC3 connector Compatible LiPo charger Introduction The E-flite® Apprentice® STS 1.5m is based on one of the best platforms ever designed for learning to fly radio-controlled (RC) airplanes—the legendary Apprentice S 15e. That model's large size made it an ideal choice for better visibility and the ability to handle more wind while learning to fly at an RC club flying field, and its inherently stable design plus exclusive SAFE® (Sensor Assisted Flight Envelope) technology make it easy to fly successfully—especially with the help of an instructor. The Apprentice STS (Smart Trainer with SAFE) 1.5m is a modern-day evolution of the world's favorite club trainer that includes all the same great features while adding Smart technology compatibility along with the option to add SAFE Plus® GPS-enabled technology and the Landing Assist Sensor (LAS), to make learning to