Knowing your home&#39;s humidity level is essential to improving indoor air quality and the overall health and comfort of you and your home. This thermometer hygrometer can measure accurate data of both temperature and humidity of the environment. It can be used in home， office， school， lab， hospital， cellar， incubator， hatchery etc.， indoors and outdoors.<br /><br />Features:<br />Providing you with accurate data of both temperature (Fahrenheit or Celsius) and humidity.<br />Quickly indicate comfort temperature and humidity conditions on the LCD display with the temperature and humidity level icon.<br />Highly reliable， durable and practical thermometer hygrometer.<br />Feature a fold-out stand for mounting for the best thermometer and hygrometer readings for any place.<br />Can record the highest/lowest temperature and humidity.<br />Portable and thin size could be placed and taken to anywhere.<br />Simple control buttons on the front of the humidity monitor for easy operation.<br /><br />Specifications:<br />Temperature measurement range: from -50″ ~ 70″ ( -58?~158?)<br />Temperature measurement precision: &plusmn;1″ / &plusmn;1.8?)<br />Temperature display resolution: 0.1″ / 0.1?<br />Humidity measurement range: 10% RH ~ 99% RH<br />Humidity measurement accurancy: &plusmn;5% within 40% to 80%<br />Humidity resolution: 1%<br />Battery: LR44<br />Item weight: 23.4g / 0.81oz<br />Package weight: 29g / 1.04oz<br />Item size: 5.3 * 3.9 * 1.5cm / 2.09 * 1.54 * 0.59in<br />Package size: 7 * 6 * 2cm / 2.76 * 2.36 * 0.79in<br /><br />How to use:<br />1. open the battery door by pushing the cover on the back of the instrument as indicated by the arrow， take out the battery spacers， then loaded back door， the instrument is now ready for use.<br />2. Key features: [MAX/MIN] shows the highest memory value &amp; minimum temperature and humidity; [″/ ?]to switch the temperature unit to ?(degrees Fahrenheit )or ″(degrees Celsius) display.<br /><br />Package list:<br />1 * Humidity Thermometer Monitor<br />1 * English Instruction<br />1 * Battery<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-FnPs.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-2bWP.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-Nmuu.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-2Dz1.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-Pkrp.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/9/H18819/H18819-1-f8ca-Kq0r.jpg" /><br>