The B-Safe Accessory Base works in conjunction with the B-Safe Infant Car Seat 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 5 position height adjustment feature. The B-Safe Accessory Base is easy to install and use correctly each and every time. Easy to install seat-to-base design self-guides carrier into proper locked position Easy to install base with latch connector storage Premium push button lower latch connectors for a quick, simple and tight installation Built-in lock-off tightly secures the base when installed with the vehicle seat belt Height adjustment button with five positions for proper seat angle and positioning