Material: ABS - Three-blade structure takes advantage of high efficiency and steady flight - 3-axis controlled balance system provides accurate flight location - Frequency: 2.4GHz - Main Rotor Diameter: 436mm - Tail Rotor Diameter: 122mm - Overall Length: 448mm - Powered by 7.4V 1500mAh rechargeable battery - Charging time: 50 minutes - Flight time: 8~10 minutes - Remote Controller (Model: DEVO7): - Output: - Control Range: 300~500 meters - Powered by 8 x AA batteries (not included) - Accessories Include: - 1 x Remote controller - 1 x 100~240V power adapter (2-flat-pin plug / 153cm-cable) - 1 x Balancing charger - 1 x English manual