3-in-1 Car Sat with Side Impact Protection suitable for child Rear Facing 5-40 lbs (and 19-36") Forward Facing 22-65 lbs(and 29-52") and as Belt Positioning Booster 40-80 lbs(and 40-52") 5 position harness, adjustable head rest, multi stage inserts and hand washable seat pads 3 position one hand recline adjustment and also 2 position seat belt guide in Booster mode. No rethread harness never needs rethreading Is UAS equipped, 1 year warranty, Airplane ready when used with harness system and meets CMVSS 213 & 213.1, 213.2