... Battery 3,Material: metal 4,with gyro 5,EN71,CE,ROSH,ect M301 --2012 TOP Popular Remote Control Airplane Product ... features-Item No.: M301 -Product Size:22x3.8x9.8.cm-Box Size:40x8x17cm-Channel: 3 channel ir control ... Channel-Double Protection: Helicopter flys more safety, as it will be power off automatically when chocked.Package details-RC helicopter-Remote control ...