DG-303 Glider Factory already installed air electric brake in the wings Model no. : FF-B046B Specification : Material : Epoxy fuselage /Balsa wood wings Wingspan : 4000mm Length : 1815mm Wing Area : 82 dm sq. Flying Weight : 2800-3900g Recommeded Power system:(Not Included) Retract gear: Aluminum Retract glider / Wheel 2.7" Control system:(Not included) Radio:2.4G 6CH Micro servo:17g X7