The HUB6 allows you to wirelessly monitor temperature and relative humidity via the WHP1 probes, vapor and liquid pressures via the WPP1 probes, and vapor and liquid temperatures via the WPC2 wireless pipe clamps - all from one convenient location using the free UEi HUB App. This easy-to-use App and robustly designed set of probes make an excellent addition to any technician's toolbox. The HUB6 is backed by a 1-Year limited warranty.