LS8 Glider Factory already installed air electric brake in the wings Model no. : FF-B048A Specification : Material : Epoxy fuselage /Balsa wood wings Wingspan : 4000mm Length : 1765mm Wing Area : 80 dm sq. Flying Weight : 3800g Recommended Power system:Included Airplane:(No included Assembly) Retract gear: Aluminum Retract glider / Wheel 2.7\"