Fangrui Product Details 1. Desktop Perpetual Calendar Alarm Clock Lcd Display Reminder Prayer Clock 2. Can Display The Current Time, Date And Day Of The Week 3. Hijri And Gregorian Calendar Display Function 4. World Time Function 5. Prepare Azan Times For Major Cities Around The World. There Are A Total Of 1,500 Cities To Choose From. There Are 5 Sets Of Prayer Times Every Day. 6. Makkah Prayer Music 7. The Error Of Each Group Of Prayer Time May Be Adjusted, And Each Group Of Prayer Time Can Be Closed At Will. 8. Azan Time Reminder Function 9. Alliance Time Function 10. Alarm Function (one-time Alarmperiodic Alarm), And Can Issue Beep Alarm Prompts 11. Snooze Function, Snooze Time Is 5 Minutes 12. Temperature Function, Switchable Between Celsius And Fahrenheit 13. Daylight Saving Time (dst) Function 1224 Hour Format 14. Backlight Function 15. Power Supply: 4 15v Aa Batteries (not Included) 16. Weight: About 0.63kg 17. Size: 330x205x27.2mm