The Britax Infant Car Seat Base with ARB provides ultimate travel flexibility in multiple vehicles. A steel anti-rebound bar reduces rebound rotation by up to 30% in the event of a crash. SafeCenter LATCH makes installing the base quick and easy. The impact absorbing base absorbs crash energy, while our impact stabilizing steel frame provides strength where you want it most: at the connection point of the vehicle. Compatible with the B-SAFE 35, B-SAFE 35 Elite and Endeavours infant car seats.