Quickly shows dry/comfortable/humid air conditions at a glance. proper humidity, prevent colds, dry skin, asthma, allergies, mold, etc. It is the for monitoring family conditions and health. Clear LCD screen, easy to read. It is portable and , you can easily take it anywhere. Multi-Scenario Use: The digital hygrometer ensures proper temperature and humidity control, and can be placed in bedrooms, baby rooms, kitchens, cellars, offices, wine cellars, conservatories and living rooms. Multiple installation methods: The indoor thermometer adopts magnet adsorption, desktop vertical and wall-mounted . You can easily place this hygrometer in different places. Temperature range: Temperature: -20C~70C (-4F~158F) Humidity: 10%~99%RH Accuracy: Temperature: soil 1C/soil 1.8F Humidity: soil 5%RH (30%-70% RH range) Power supply mode: No. 7 battery (AAA) * 1 section (battery not included) Type:Electronic temperature and humidity meter color:Black Material:ABS size:. 67 x 56 x 15mm Package Contents: 1 x Thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.