LCD Digital Indoor Outdoor Home Hygrometer Thermometer

Features
Indoor/Outdoor Temperature & Humidity Display.
Temperature unit ℃ / ℉ changeable.
Memorized MAX/MIN values of indoor/outdoor temperature.
Display of comfort degree. Smile face appears indoor Temperature is 18℃ ~ 25℃ & indoor humidity is 40%RH - 65%RH.
Specifications
Indoor Temperature Range -10℃ ~ +50℃ (14℉ ~ 122℉)
Outdoor Temperature Range -50℃ ~ +90℃ (-58℉ ~ 194℉)
Humidity Range 20%~99% RH
Power supply 1 x 1.5V AAA (battery not included)
Weight 80g