radio remote control helicopter toy 1 ,Newest design 2 ,2-channel with Gyro , 3 ,Co-Axis:4blades 4, long distance control 2 channel:Asending/Descending forward/backwardmotor coreless motor4bladesproduct size17x3x8.5cmCarton sizse75*30*47cm(24jpcs/Ctn)battery3.7V1000Mah Lipoly baterrycontrol distance50~80meterscharger time150minsavitation time7minis