Function 1. Time, temperature, date and day of the week are displayed on the same screen. 2. Two ways to place Wall-mounted, table put dual-use 3. Power failure memory function Installation of CR2032 battery, power failure memory function (delivery without battery) 4. Timing function Timing:Max time is 99 minutes and 59 seconds Countdown:Max time is 99 minutes and 59 seconds 5.Dual Alarm 6.Brightness Adjustment Light-sensing:it can turn on or off light-sensing function.After turn on light-sensing mode,the brightness will be adjusted according to the environment Manually adjust the brightness in 4 steps: L1-brightest, L2-next bright, L3-slightly bright, L4-darkest. 7.12 or 24H switching 12 or 24H switching: short press "DOWN" key to complete the switching. ℃ or ℉ switching: Short press "UP" key to finish switching. Product Show Size:24x9x3cm or 9.5x3.5x1.2inch Color:Blue or Green or Red or Orange Package: 1xDigital Wall Clock 1x150cm USB Cable 1xInstruction in English and Chinese Note:It has to plug in use,can not be powered by battery(Not Included) Power-off memory function works after installing CR2032 battery(Not Included) This alarm clock cannot be set for worship alone, as long as the year, month and day are set correctly, the week will be automatically updated The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.