ASW-15 Glider Factory already installed air electric brake in the wings Model no. : FF-B050B Specification : Material : Epoxy fuselage /Balsa wood wings Wingspan : 4000mm Length : 1725mm Wing Area : 82 dm sq. Flying Weight : 2800-3500g Recommended Control system:(Not included) Retract gear: Aluminum Retract glider / Wheel 2.7" Radio:2.4G 6CH Micro servo:17g X7