Why buy me this innovative maxi cosi car seat base utilises your cars isofix points to provide a quick secure anchor point for your maxi cosi infant carrier or pearl group 1car seat and features a unique 3 stage led light and sound system to confirm correct fitting at every stage about me compatible with maxi cosi cabriofix pebble pearl car seats birth to approx 4 years solution covering two age groups very easy click go car installation colour sound indicators for correct install