Blade 120 S2 Fixed Pitch Trainer RTF Electric Micro Helicopter w/2.4GHz Radio & SAFE TechnologyAbout the 120 S2 SAFE Technology for Enhanced Control The Blade 120 S2 features exclusive SAFE (Sensor Assisted Flight Envelope) technology, providing stability and confidence for beginner pilots. This revolutionary system offers versatile flight modes and Panic Recovery, which returns the helicopter to a level attitude at the press of a button. SAFE technology makes learning single rotor flight easier and safer, ensuring a positive experience for