The transformer xt pro is equivalent to the transformer xt in all its safety and comfort features the seat can even be used for a child from the age of 9 months with the impact body without it the seat is suitable for children up to 12 years the concord transformer xt achieved a test rating of good with an overall score of 2 0 this makes it the best child car seat in group iiiii with sitrecline inclination and the only one that can be adjusted in the shoulder area according to size th