Key Features One-touch auto take-off. One-touch auto land. Altitude hold system. Model protecting panic mode. 6-axis gyro stabilisation. Extremely durable beginner-friendly construction. Quick release wireless LiPo. Outstanding 15-minute duration. Available in red and blue. Colour co-ordinated rotor blades. Transmitter mode changeable (1 or2) What's in the Box 1x Ninja 250 helicopter. 1x 2.4GHz four-channel transmitter. 1x 1S 3.7V 300mAh LiPo battery. 1x USB charger. 1x Spare main and tail rotor set. 1x Spare cyclic pushrod set. 1x Tool set (screw driver & Allen key). 1x Comprehensive instruction manual. Needed to Complete 4x AA batteries for the transmitter.