Function1.Time Date Temperature Display ​12H/24H Switch,Press UP/DOWN to set ​2.Alarm Function ​1-7:Alarm ring from Monday to Sunday ​1-6:Alarm ring from Monday to Saturday ​1-5:Alarm ring from Monday to Friday ​3.Power-off Memory function ​If power-off,no need to set time again.(After installing CR2032 Battery,CR2032 Battery is Not Included) ​4.Night Mode ​By default, the brightness will automatically decrease from 18:00 to 7:00, and increase at other times. ​5.Projection Function ​180° flexible projection arm, adjust the ​projection angle as you like ​Project time onto the ceiling or wallProduct ShowMaterial: ABS ​USB Input: DC 5V ​Projection Distance: 0.5-5m ​Size:19.5 x 6 x 3cm ​Power Type: USB ​Battery: 2032 button battery(It is Not Included) ​Package: ​1 x Projection clock ​1 x USB cable ​1 x User manual ​ ​Note:It must be plugged in to use, CR2032 button battery only as a power-off memory function(CR2032 Battery is Not Included) 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. Sold by-Minnanxin