The Safety 1st Complete Air LX Convertible Car Seat features cutting-edge technology in Side Impact Protection with Air Protect by releasing air from the car seat headrest, channeling crash impact away from your precious baby's head. This convertible car seat accommodates infants rear-facing from 5-40 lbs and 19"-40", and toddlers forward-facing from 22-50 lbs and 34"-45". Standout Features: Equipped with revolutionary Air Protect Side Impact Technology to protect your precious baby's head and neck Keep little ones safer longer with an extended rear-facing weight limit of 40 lbs Adjustable crotch strap adjusts to 3 different positions QuickFit Harness System easily adjusts harness height in one step without re-installing the car seat 5-position adjustable headrest accommodates growing children 4-position recline for can be adjusted with one hand Benefits for You: Convenience is a key factor when dealing with car seats because the easier it is to use, the better chance you have of correctly installing it and traveling safer with baby. The Complete Air LX Convertible Car Seat offers convenient features such as a no re-thread harness which makes life easier on you. The QuickFit Harness System easily adjusts in one step without un-installing and re-installing the car seat. Get more use out of your car seat in the rear-facing position with the extended weight and height limits. Safety 1st has engineered added safety features to put your mind at ease in the instance of a crash. The Complete Air LX is equipped with the revolutionary Air Protect Side Impact Technology. The soft cushions of the Air Protect surround your child's head and gently release air upon impact, cushioning the blow. Installation: Install the Safety 1st Complete Air LX Convertible Car Seat using either your vehicle's seat belts or the car seat's LATCH connectors. The Complete Air LX can be installed in the rear-facing position from 5-40 lbs and 19"-40", and forward-facing from 22-50 lbs and 34"-45". Benefits for Baby: The Complete Air LX comfortably accommodates your precious passenger from 5-50 lbs. This convertible car seat includes features to grow with your child, such as the QuickFit Harness System and the padded headrest which adjusts to 5 different positions. Sleeping babies rest comfortably in the 4-position recline of the Complete Air LX, which mom or dad can easily adjust with one hand. A 5-point safety harness keeps your little one securely strapped into the seat. This convertible car seat also includes a removable cup holder. Safety: 1 in 4 car crashes involving children are side impact collisions. They are by far the deadliest type of collision for children, accounting for 1 in 3 child fatalities; nearly all of which are caused by head trauma. Safety 1st engineers designed the most innovative safety featured offered in a car seat - Air Protect Technology. Through the precise release of air, Air Protect s