The Pria 70 is Designed to Provide the Right Fit It fits occupants from 9 pounds and keeping them cozy up to 40 pounds rear-facing. When they re ready, turn it around to comfortably fit children up to 70 pounds forward-facing. This convertible car seat features state-of-the-art Air Protect Revolutionary Side Impact Technology which immediately reduces impact forces through the precise release of air in headrest. The PerfectFit one hand harness height adjustment provides micro adjustments for an optimal fit. Included with this car seat purchase is a free USB mini auto adapter. Plug this into an accessory power outlet to charge personal device. The power output is up to 1 Amp and is compatible with smart phones and any device that provides USB cable for charging.