They have good service and my controllers work great, so far. Makes the overnight cooks very easy. No need to worry what the temp is because it is whatever you set the controller on.
One little tip, set the high alarm and the low alarm about 20 degrees away from your target temp otherwise every little fluctuation of one degree will initiate the alarm. If I recall, the unit comes set at 250, but don't quote me on this as it has been awhile since I got mine and they have been set everywhere, from 220 to 350.
Smooth Smoke BBQ Team, KCBS CBJ, 2-WSM, Cajun Bandit Conversion, wsm 2880, Smokey Joe Mini wsm, Old Country offset, several kettles.