yes in fact you are right : maybe it is just something for the maybe bit lazy people like me .... lol ... because anyway you have to control it each week and if too little air well you have to get some elsewhere anyway !!! so yes it is like control of the oil min/max, you just have to do it .....
maybe in fact it is just interesting for getting actual temp of the tire ...... and crisis situations of flatting tire going on ....... ;;--)) 
200 euros for just having it for fun ..... I think I do not need it any longer lol lol .... thanks for your input !!!
