Choosing a Hygrometer

I am looking to buy a digital hygrometer today on Amazon and am not sure on which one I want. I have heard some good things about the Caliber III, but haven't seen much info on other hygrometers. What do you guys like/ recommend? Can you provide some additional info on the Caliber III or why you recommend one over the other. I want to place the order today because the analog one that came with my Humidor is just not doing the trick. thanks in advance!