1、Multifunction: The humidity gauge snalog hygrometer is multifunction that it can be used for two purposes, temperature and humidity measurement. 2、Accurate Measurement: This Thermometer Hygrometer has good performance, accurate measurement, and it has pointer type design. 3、Wide Use: Put or hang the thermometer in the baby room, monitor the temperature change in real time, care for the baby's growth environment, put it or hang in the warehouse for long term monitoring, which is a good helper for fire safety. And it can also be put or hang in the greenhouse, barn. 4、No Batteries Needed: The indoor hygrometer has a built in mechanical movement, no batteries required, which can be automatically adjusted. 5、Premium Full Metal: This multifunction indoor thermometer is made of premium full metal so that it is strong, durable and has long service life.