Prompt responce?? gains a temperature and humidity reading within seconds</br>High humidity accuracy +-3% with calibration at 75%?? F/C display conversion</br>Guaranteed 16 months long life battery. One silver thermometer (in blue light ) is packed in a gift box.</br>Panel mount and magnetism attraction are compatible (one adhesive metal plate is provided)</br>Records the hourly average temperature and humidity for last 24 hours. Checks the memory by touching the CHECK button on front. Clean the memory by pushing down the SET on rear.</br></br>Product Description</br></br>Not only measure but record the temperature and humidity. Rear installed with magnetism for being attracted on metal surface. <br>Be suitable for "nsportation?? medicine & food storage?? wine cooler?? cigar humidor?? incubator?? moisture-proof boxes and other equipment which need monitor and record the temperature and humidity. <br>1). Display temperature?? humidity and clock <br>2). Check the hourly average temperature and humidity records for last 24 hours <br>3). Memory clean and C/F display conversion <br>4). Calibration at 75% <br>5). The blue backlight is on when touch the CHECK button on front <br>6). Powered by one CR2032 cell battery (pre-loaded) <br>7). Panel mount and magnetism attraction are compatible <br>8). Temperature