One durable child restraint system offering optimum safety and ease of use from birth to 3.5 years of age. - One base to fit two car seats = durable “IsoFix safety” for at least 3.5 years, - Base can be adjusted: additional sleeping / sitting position for car seats, - Visual and audio LED signals on base confirm correct positioning of seat on base, - “Pebble” (0-13 kg): with sleek flexible rim to hide incorporated sun canopy and easy removal of cover, - “Pearl” (9-18 kg): with simultaneous height adjustment of harness and head support.