Skyartec Wasp X3V 2.4GHz 6CH 3-AXIS Flybarless LCD RC Helicopter RTF Brand: Skyartec Model No: HWX3V-03 Body Length: 475mm Main Rotor Blade: 470mm Tail Blade: 110mm Copper Gear: 14T Main Gear: 120T Flying Weight: 260g Controller Mode: MODE 2 Remote Control Distance: 2500 feet (762m) The exquisite simplicity body structure of WASP X3V which making stable flight,convenient maintenance and more flexible 3D flight.Showing us the excellent technological design of power and beauty,the latest rotor head making the flight performance can be adjusted diversified. Characteristic of SKY-X303V 1. Can fly flybarless system helicopter 2. Sensitivity and response rate can be adjusted 3. 3-Axis system to make the helicopter more stable 4. Computer programing set parameters(through 3-Axis system computer programing USB cable) 5. Change flight mode: long press the receiver buttion, let go after the indicator light change color(green: beginner mode; red: 3D flight mode) 6. Can upgrade the newest program by computer The identification of the SKY-X303V wire: "-" negative pole, connect to black wire "+" positive pole,connect to red wire "S" signal wire,connect to white(or other color) wire SKY-X303V Channel name: 1CH: Aileron servo 2CH: Elevator servo 3CH: ESC/Throttle 4CH: Digital servo 5CH: Pitch servo