... Channel with Gyroscope Spec.:80*13.8*30 ABS and Metal Material CE,EN71,EN62115,ASTM,EMC approve Specification: Model No ... Alkaline Batteries (not included) fly time8-10 MinsmaterialABS plastic enclosure,metal body,nylon PA landing gear, carbon fiber propellercontrol range50-100 ... current protection4.Sleep function Pictures 80CM big 3.5 channel metal scale outdoor rc helicopter