Car seat base base for the maxi cosi pebble cabriofix and pearl models isofix fastening with mounting signal sound and light indicators confirm correct position of the seat series maxi cosi pearl maxi cosi pebble carry weight 0 18 kg age 8 months 4 years group 01 with isofix harness system seat belt exterior measurements 35 x 55 x 48 65 weight 68 kg adjustable headrest without