A Great choice one, or basically one that points to the number of the humidity
Ditch that zero and get a hero! The stick on analog temp/humidity gauges are trash. Not only are they known to be wildly inaccurate, they can also be a hazard to your snakes health what with the sticky stuff on the back. Get an Acurite digital thermometer/hygrometer, they are 5-10 bucks on Amazon, at wal-mart, home depot...