Britax Baby Safe Belted Base: This base offers the baby-safe plus and baby-safe plus SHR a safe and secure belted installation solution in vehicles. It features britax's unique belt tensioning system, where the rear facing infant carrier simply clicks onto the base. The infant carrier can then be very easily installed and removed with a single push of a release button while the base itself remains in the car. Features High peformance belted base with easy belt tensioning system Infant carrier simply clicks onto the base Foot prop giving extra stability Indicator confirms the infant carrier is connected correctly Indicators confirm that the foot prop has been extended correctly Rebound bar ensures a more secure fit and reduces movement Compatible with the Baby Safe plus and Baby Safe plus SHR Easy press buttom at the front of the base to release the infant carrier Reclinable rebound bar for easy storage with secure snap in mechanism 3-point seat belt installation Base can remain in the car Product Specification Weight : 6.5kg Dimensions : Folded H 59cm x L 37cm x D 19cm folded Dimensions : Extended H 62cm x L 37cm x D 86cm