Easy to Use This is an instrument for measuring and displaying ambient temperature (Fahrenheit or Celsius) and humidity Clearly display This thermometer is equipped with a large LCD display so that you can see the numbers clearly. Easy to install It comes with suction cups and adhesive tape and can be stuck directly on windows or walls. Wide application Because its design is ultra-small, it can show you the changes of temperature and humidity, whether at home or in the office or outdoors, focusing on real-time temperature changes. Additional information ensure that the control of indoor moisture has significant skin, allergens and other health benefits Specification: Condiiton: Model: Digital temperature sensor Resolution: 0.1 Application field: home Measurement error: 1 Measurement accuracy: 5% Temperature range: -20--70 Battery: 1 AA battery (not included) Material: ABS+LCD Size: 110*92*23mm Screen size: (L) x (W) 98 x 54mm / 3.86 x 2.13in (appr.) Size: (L) x (W) x (H) 110 x 92 x 23mm / 4.33 x 3.62 x 0.91in (appr.) Package Included: <p >1 x Thermometer Hydrometer 1 x English Manual If you have any questions or problems of our product, please feel free to by email. We will do our best to solve the problems.