Easy to Use This is an instrument for measuring and displaying ambient temperature (Fahrenheit or Celsius) and humidityClearly 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 benefitsSpecification:Condiiton: 100% Model: Digital temperature sensorResolution: 0.1Application field: homeMeasurement error: 1Measurement accuracy: 5%Temperature range: -20--70Battery: 1 AA battery (not included)Material: ABS+LCDSize: 110*92*23mmScreen 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:1 x Thermometer Hydrometer1 x English ManualIf you have any questions or problems of our product, please feel free to by email. We will do our best to solve the problems.