Product DescriptionTransmitter operating instructions: 1.Hight and Low speed mode The aircraft have three mode，low speed mode，medium speed mode and higt speed mode.The sound "Di" said low speed mode，suitable for beginners，And then click on the "Di Di" said medium speed mode， suitable for beginners.According to the third "Di Di Di" said high speed mode，suitable for skilled person. 2.Aerial somersault When the Aircraft is flying， press and hold the right joystick(the throttle joystick) on the controller，it will have DiDiDi sound， that means the aifcraft is entering the roll mode. when rolling indicatior light on， Use your right hand to push the joystick to the top point， then release it， the aircraft it will sync towards to the forwdrd backward or right left direction to complete the 360 degree totation. Specifications: Material: ABS Gyroscope: Yes Channels: 4 Channels Function: 3D tumbling action， up， down， left， right， forward， backward， hovering Remote control frequency: 2.4GHz Remote Control range: 50-60m Gyroscope: Six axis Suitable ages: Above 14 Years old Charging voltage: 4.2V-5V Charging current: <300mAh Battery capacity: 300mAh Battery power: 3.7V Battery type: Li-ion battery Battery size: 32.4mm * 20mm * 8mm Charging time: 60minutes Working time: 4-6 minutes Battery of remote controller: 3 * AAA batteries (not included) Transmitter mode: mode 2 Package size: 38 * 18 * 8cm / 15 * 7.1 * 3.1in Package weight: 348g / 12.2oz