Specification

Length: 415mm Width:77mm Height: 174mm Main rotor diameter:Φ340mm Weight: 216g±10 7.4V 800mAh Li-polymer battery 2.4GHz 4CH Transmitter(including training switch and simulator port) 4 in 1 Controller(gyro,mixer,ESC,receiver) 180 motor*2pcs Digital servos(Weight:7.5g,torque:1.0kg.cm,speed:0.1s/60°)

Features Co-axial, counter-rotating double blades system. Ready to fly out of box. The new 2.4GHz remote control system adopts Advanced Spread Spectrum technology and digital FSK (Frequency Shift Key) coding technology. Two digital servos equiped, thus providing rapid response, precise control and nimbler movement. With this system, several flyers can operate simultaneously within the same area with no interference, ensuring a safe and funny flying experience. KOB is ready to fly out of box. The electronic system has been completely adjusted by ESKY engineers before going out of the factory. No any adjustment required. What you need to do is just to charge the battery. The standard outfit includes: kit, transmitter, charger, main blades, chargeable battery for heli, a dry battery for transmitter, ESKY softdog and Instructional Video CD