So far, so good. The sensors were already "matched" to the display unit, and each snapped into place on the display after a few beeps as it was screwed onto the valve stems. I have to point this out. Yes, there is a nut that can be screwed onto anyone. valve stem before installing the sensors yourself, and press this nut against the sensor to "presumably" lock it in place. I suspect this might work, but while there is a small wrench to access the nut, some wheel designs like mine provide little or no room for the wrench unless you bend it at a sharp 90 degree angle. Iow. Be careful with the lock nut. Another minor setback I should mention. While the display is fairly visible in broad daylight, it tends to disappear entirely when viewed through polarized sunglasses or clip-ons. Not such a big deal, but I thought I'd just mention it. Overall, though, this is a pretty cool little addition for the price. I'm adding this little extra suggestion after having this sensor for almost a year now. Do yourself a favor and invest in better batteries. The included 1362s are quite cheap to be honest, and when they start to drop the unit will definitely let you know.