Fangrui Product Details 1. The Led Screen Clearly Displays Time And Temperature, And Supports Simultaneous Projection Of Time + Temperature On The Wall 2. Daily Dual Alarm Function, The Alarm Switch Is A Toggle Switch, Which Is Very Simple To Operate. 3. Snooze Function (the Snooze Time Can Be Set: 5~60 Minutes) 4. You Can View The Maximum And Minimum Temperatures 5. Temperature Detection Range: -9~+39c (16~102 Degrees Fahrenheit) 6. Temperature Display Unit Selection: C And F 7. High-definition Red Projection, 180-degree Rotation Projection, Effective Distance Of 5 Meters 8. Led Display Brightness Level: 4 Brightness Levels 9. Automatic Light-sensing Backlight Adjustment Function (the Screen Brightness Can Be Adjusted According To The Ambient Brightness) 10. A Built-in Cr2032 Button Battery (insulated) Has A Memory Function. After The External Power Supply Is Powered Off, The Product Settings Remain Unchanged And The Functions Are Used Normally, And There Is No Need To Reset The Alarm After Power Failure. 11. There Is A