- Hobby Style- Humble Bee Helicopter Recommended for18 years of age up 1.this electric mini radiocontrolled model helicopter ,can excellent fly indoor, if the outdoor quiet air, it can good fly . 2.the streamlined technique and design.make the helicopter have excellent aerobatic flight and long time in the sky. 3.four ?ˇěCchannel controlled ,powerful 8.4V Ni-Mh battery assembled 4.main rotor diameter:520mm 5.fuselage length:500mm 6.max all-up-weight:300g 7.power :8.4V.Ni-Mh battery pack 8.radio :4-ch./2 mini servos
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