1,specialized in rc helicopter 2,steady flying ability 3,certificate:LED,FCC,EMC,EN62115, ... .5CM QTY/CTN:12pcs/ctn G.w/n.w.:14.2/12.6 KGS Charging time:90minutesFunctions:1,3.5 channel ,Colorful lamplights ... ,ROHS,ASTM,6P 2)Product & packing pictures:3)item Included: :--1,Helicopter *1pcs,--2,Controller *1pcs,--3,nstruction *1pcs,--4,Chargers line ...