Temperature Range: 32 ~ 122?F ( 0 to 50?C); Temperature accuracy: ?2?F/? 1?C; Temperature display resolution: 0.2?F (0.1?C)</br>Humidity Range: 10%RH ~ 99%RH; Humidity accuracy :?5%RH; Humidity display resolution: 1%RH.</br>Mini & Simple Design: Mini digital thermometer and hygrometer convenient for you to set such a life partner on your night stand. Wireless black stylish design perfect to be used as car temperature monitor too.</br>Easy to Operate: There are 3 buttons. You can press ?C/?F to switch from ?C to ?F. Button MAX/MIN is design for you to check the record of High & Low temperatures & relative humidity. You can also easily reset the MAX/MIN record by pressing the CLEAR button. Easy to operate and no more confusion.</br>Battery(Included): 1 x 1.5V model LR1130 button battery. Replace the battery when the display dims.</br></br>Product Description</br></br><p><b>Description:</b></p> <p>Amir Mini digital thermometer and hygrometer help you to keep an eye on the temperature and humidity indoor. The Environmental Protection Agency (EPA) suggests maintaining The acceptable range of humidity for a healthy home is 30-50%. When to open the humidifier or heater is visible with its help. Mini design and accurate info?? also perfect for car?? incubators?? brooders?? cigar rooms?? etc. </p> <p><b>Notes:</b></p> <p>??Indoor use only.<br>??Instrument performance may be affected if operated within a high frequency radio field such as near a mobile p