DG-505 4m Electric Factory already installed air electric brake in the wings Model no. : FF-B043A Specification : Material : Epoxy fuselage/Balsa wood wings Wingspan : 4000mm Length : 1375mm Wing Area : 72 dm sq. Flying Weight : 3800g-4200g Recommended Power system:Included Airplane (Not included assembled) Motor : 1200kv (Outrunner) ESC : 80A w/BEC Propeller:11*7,dia:38mm Servo : Micro servo 17g x 7 Alum retract gear