This cigar-shaped humidity tester is a unique little gadget, from the classic walnut finish that blends right into your humidor to the precision probe that actually measures what's going on inside your cigars. It delivers a smart approach to humidity monitoring that your standard hygrometer simply can't match. First of all, the build quality is solid. It looks and feels like it belongs in your collection. I was really surprised by how well the walnut color and the overall shape make it look like it is just another cigar sitting in the box. It doesn't stick out or look like some clunky piece of electronics, which I think is a nice design choice.The setup is a breeze. You just charge it up via USB, press the single button, and you are all set. One-button operation, that's it. No complicated menus or confusing settings to mess with. I love the built-in LED light near the probe tip. When you're digging around inside a dark humidor trying to position the probe into a cigar, that little light makes your life so much easier because you can actually see what you're doing. The digital display is clear and shows the humidity reading along with battery status.Coming to the actual functionality, it is quite useful as a diagnostic tool. I used it to spot-check a few cigars in different spots of my humidor, and I noticed a notable difference in moisture levels between cigars stored near the humidifier versus the ones in the corners. It actually helped me realize my humidifier wasn't distributing moisture evenly, which my regular hygrometer on the lid would never have caught. You can also use it to compare different brands and see how well they're holding humidity, which is pretty cool if you're the type that likes to nerd out on your storage setup.My only pet-peeve is the documentation. The instructions don't really tell you what the ideal internal humidity reading should be for a properly stored cigar. You get the tool and the readings, but then you're kind of left guessing what number you're actually aiming for. Also, you do need to be careful when inserting the probe because if you're rough with it, you could damage the wrapper leaf. It takes a gentle hand and a steady aim to get a clean reading without causing issues. But given how useful this is for actually troubleshooting your humidor and making sure your cigars are truly at the right moisture level, I am still impressed with what it brings to the table. If you are looking for a unique way to level up your cigar storage game beyond just trusting the hygrometer on the lid, this is a solid pick.