This clock is so convenient for daily use because it owns 4 different functions: alarm， timer， clock and thermometer. You just need to rotate the clock for selecting the mode you need then it will display the results. Thanks to its premium ABS material and delicate workmanship， this clock is pretty durable and reliable to use. Handy size， high precision and good performance， this Multi-functional Digital 4-Sided Rotating Alarm Timer Temperature Clock is a nice choice for you all!                                    Features             Mini and portable， rotating design for select four functions， convenient for use<br> LCD display for easy reading， with backlight (when it’s rotated)<br> Time/date function: display current time and date<br> Alarm function: display alarm time<br> Timer function: count down timer (Max. 99 minutes and 59 seconds)<br> Thermometer function: display temperature in Celsius or Fahrenheit  <br>                                                            Specifications             Material     ABS    <br> Color     Black    <br> Dimensions     (2.32 x 2.32 x 0.94)" / (5.9 x 5.9 x 2.4)cm (L x W x H)    <br> Weight     1.8oz / 51g       <br>                                                             Package Includes            1 x Clock<br>1 x User Manual (English)<br>