ZHPUAT [Upgrade Version] Digital Alarm Clock Auto Brightness, Both USB Battery Operated, 6 Grades Adjustable Light, 4 Time Zones Auto DST Bedrooms, White Review

This fits your .

[VA-Screen] ：Easy to read from every angle
[Easy Operation] ：Auto EST Time/Date pre-setting and Auto DST ON, you just need to change to your local Time Zone (EST/ CST/ MST/ PST/NST/AST/HAT/AKT) just for US.
[Progressive Beeps] ：It starts off with more and more frequent beeps, meanwhile whose volume gets progressively louder from 30 to 90 decibels. Activate the Snooze to get a 10–minute extra nap, the alarm can last for 2 minutes totally.
[Dual Port USB & Batteries] ：one is for charging the alarm clock with adapter (Included), the other is for charging your phone, tablets, MP3 or other smart devices.Powered by USB cable and adapter (included) or 3 x AA batteries (NOT included). The Backup Cell Button Battery (pre-installed) can not support the alarm clock work independently (for memorizing the time).
[6-levels Adjustable Brightness & Auto Brightness] ：(automatic exchange between Highest one from AM 7:00 to PM 9:00 and Lowest one from PM 9:00 to AM 7:00). Also, consider saving power, it will display the lowest brightness automatically when using batteries, you can press “snooze” button to light it up for 10 seconds.