Why We Need a Hygrothermograph
High humidity may cause respiratory and skin diseases, such as asthma, pneumonia and eczema; also, food and wall will easily begin to get moldy. This Indoor Temperature and Humidity Monitor can record the indoor humidity which allows customers to check the current humidity and adjust the AC or humidifier to keep the indoor humidity in the suitable relative humidity.
It takes two AAA batteries (not included) to work. Built-in sensor makes it a total wireless hygrometer and a multifunctional device when using. It can help to measure the indoor, outdoor, greenhouse, baby's room or refrigerator temperature and so on.
Humidity Level Indicator
Depend on the high and low temperature and humidity record, this digital thermometer-hygrometer display the current indoor condition by showing OK