AMIR Upgraded Digital Alarm Clocks for Bedrooms, LED Digital Clock with Dual Power Supply, 12/24H, Dimmable,DST,Snooze,Desk Clock for Home Office School

【Large Display & Auto Dim 】Digital alarm clock with 6.3 inch LED screen shows time, clearly from across the room. 3 brightness levels (High/Med/Low). Auto dim from 6 PM to 6 AM. Press & hold snooze 3 sec to turn off display at night — perfect for light-sensitive sleepers.
【Workday Alarm Modes】The alarm clock set alarm for Mon-Fri, Mon-Sat, or Mon-Sun. Ideal for office workers and students. One-time setup, no need to turn on/off daily. Long press ALARM button to choose your schedule.
【Dual Power & Memory】Digital clock dual power supply: uses 3 AAA batteries or USB power for flexible operation (AC adapter is not included) To extend battery life, the display turns off after 10 seconds in battery mode. When connected to USB, the screen remains on at all times.When powered by USB alone, there is no time for memory function after power off.