Featuring the Anti-rebound technology, the Chaperone? Accessory Base works in conjunction with the Chaperone? Infant Carrier to provide industry leading front, rear and side impact protection to manage crash forces and minimize injury. Engineered to self-guide the carrier into the proper locked position, the base also features premium push-button LATCH connectors, a built-in lock-off and a height adjustment knob. The Chaperone? Accessory Base is easy to install and use correctly each and every time.