Product review (4 stars): Nice color
Very legible markings and easy to read.
Color choices are good and a good change from plain white or black.
I like that it has no Fahrenheit to unnecessarily muddle the gauge face.

However, it has not provision for calibration. If you want accuracy, get
http://www.amazon.com/Indoor-Hygrometer-Humidity-Thermometer-Temperature/dp/B014CQXTI2/ref=pd_sim_86_2?ie=UTF8&dpID=51EM6-ONvPL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_&refRID=146VZB6S0AFYXWJPYN3Y