I downloaded the app first then put the batteries in the devices paired without any issue

Im going to monitor the functionality over the coming months to see how well it conti

My first impressionsgreat design feels sturdy not cheaply made and i was afraid my feet would be too small size 5 12 to reach both censors but they didpretty accurate my old scale always fluctuated between 163 167 no matter how many times i tried to calibrate it in the same few minutes this scale says im 170 pounds both times i stood on it