4ch Electric RC Helicopter

Specification Main rotor diameter:340mm Weight:215g Length:360mm Power system:180 motor*2 KIT/ARF/RTF:RTF Transmitter:Standard 4 CH Mix controller:4 in 1 controller (W/gyro,mixer,ESC,receiver); Servo:8g,1.3kg/CM,0.12s/60 Battery:7.4V 800mAh Li-polymer battery Product features Excellent design for your indoor flight. Pre-position servo mounts for easy setup. Ready for flight out of box except 8 "AA" battery (sold separate). Packing:2PCS/CTN, carton size:49*27*42CM, NW:3.2kg, GW:4kg