1). Simplified 90oswashplate with CNC-cut rotor head features durability and stability. 2). New 2.4G technology with the functions of automatic identification, precise code pairing and strong anti-jamming. 3). High performance 1220 motor powered by 3.7V 400mAh Lipo offers 7- to 9-minute flight time, depending on your flight mode. Not a Beginner Heli!