Outdoor/Indoor Thermometer Hygrometer Humidity Monitor Temperature Humidity Gauge Meter with Celsius/Fahrenheit (?/?) for Patio Field Cellar Garden Humidors Greenhouse Closet by DWEPTU

?NO BATTERY REQUIRED?Wall-mounted thermometer and hygrometer is mechanical and has a longer life expectancy in use, you don't worry about cold weather draining the battery since the analog work well but no batteries needed replacing.

?SIMPLE TO OPERATE? Easy to know current temperature and humidity, No instructions necessary. This is the simplest thermometer with no buttons to operate.

?TWO IN ONE DESIGN?Indoor Thermometer Hygrometer Temperature measurement accuracy: ±1?; Humidity measurement accuracy: ±1%RH. Indoor Thermometer Hygrometer Temperature measuring range -10?~120? ; Humidity measuring range 1%-99%RH.

?Comfort indicator?Indoor thermometer hygrometer with practical comfort level Indicator. A variety of color alerts help us immediately understand different temperatures and humidity, assisting the usage of humidifier, dehumidifier settings, and humidistat, and also facilitate monitoring family's living conditions.

?NO BATTERY REQUIRED?Wall-mounted thermometer and hygrometer is mechanical and has a longer life expectancy in use, you don't worry about cold weather draining the battery since the analog work well but no batteries needed replacing.