Item No.:3834, 3 channel R/C helicopter, PKG Mea.: 65*53.5*60cm, 9pcs/CTN, G.W/N.W:14.5/12KGS.one 40? H.Q container loads 2970 pcs. Product details: 1.remote control distance:100m,2.flight time:can flying 15-20 minutes when the battery is charged full.3.flying high:25-30m.4.battery:1PC 8.4V 850mAh lithium polymer batter for fuselage.5.8*AA alkaline battery(not include)6.Two channel radio control W/auto pilot;7.Twin electric motors;8.Altitude & rotor speed control9.Flight stabilizing system;10.Brake for easy landing.11.function:launch and fly higher,can be remote controled turn left,turn right.landing 12.with EN71,EN50088 certification.