Docooler Portable Digital Rotating Alarm Clock Timer Calendar Display Time Date &deg;C/&deg;F Temperature Meter Multi-functional Mini and portable, rotating design for select four functions, convenient for use. LCD display for easy reading, with backlight(when it's rotated). Time/date function: display current time and date.Alarm function: display alarm time. Timer function: count down timer(Max. 99 minutes and 59 seconds). Thermometer function: display temperature in Celsius or Fahrenheit.