Oasis OH-2PLUS Digital Hygrometer w/case clip odyssey The traditional 351 shape

The traditional 351 shape

the DT-1pro which appeared in 1987

Wireless remote control included

5mm stereo output for connection to a local sound source

Oasis OH-2PLUS Digital Hygrometer w/case clip odyssey The traditional 351 shapeOH 2+ Digital Hygrometer Improved accuracy and range at an affordable price The OH 2+ is the latest version in the OH 2 hygrometer product line. It has a new digital sensor that improves the accuracy of the hygrometer to + 3% between 20% 80% RH. The hygrometer also has an extended reading range down to 10% RH rather than the 20% RH on the previous two models. This eliminates the annoying "LL" sign on the display when the humidity drops below 20% RH.