Impeccable 121 312 3239

He does what is asked of him and more, because for the price it is well above the others. I had whodunnit that have not satisfied me as much. The only thing to do is to properly set up and calibrated properly. Once done, it's great.
4 stars only because of the belt that we cut the skin in the chest (tight or not), three of us have bought the same and have the same satisfaction, but also the same concerns.