Features: Expression DisplayThe thermometer/hygrometer will display the comfortable face and the uncomfortable face according to the indoor humidity. Humidity 40%-70% is comfortable face, humidity below 40% or higher than 70% is uncomfortable face. Air Comfort IndicatorYou can adjust the indoor environment according to the temperature and humidity values, such as adding clothes when the temperature is low, and dehumidifying when the humidity is high Clear ReadingThe large LCD screen displays large numbers for easy reading. It will provides you accurate humidity and temperature readings for indoor. Adhesive BackMade of ABS plastic, the thermometer comes with an adhesive sticker that you can stick directly to the refrigerator or tile wall Wide ApplicationsYou can also use it in incubators, brooders, reptile tank or any other place that requires monitoring of temperature and humidity levels Specifications: Material: ABS Color: White, green, pink Size: (Approx)(LxW) 4.2x4.2cm/1.6x1.6inch Power by: 1 x button battery (included) Temperature measurement range: -50~70 Humidity measurement range: 10%~99%RH Temperature Resolution: 0.1 Humidity measurement accuracy: +5%RH Package Included: 1 x Mini Thermometer Hygrometer 1 x Sticker 1 x Manual Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.