Servoless Retractable Landing Gear After 10 seconds Auto power-off Protection system Double Shock Absorption Design Completely protect the gears Dimension£º54.8*32*21 mm 2.15*1.26*0.82inch Maximum travel: 90¡Æ Torque: 1.5kg-cm Speed: 0.55s/60¡Æ@4.8V 0.45s/60¡Æ@6V Weight: 18.8g Applications: Used for airplanes wing span around 1m Support Flight Weight 2kg |