Functions:
1. Alarm clock display: clock, temperature, day of the week (dual color display), alarm, date, and three-color ambient light functions.
2. Daylight Saving Time (DST) function.
3. Brightness adjustment: manual 3-level adjustment 1: LU, 2: LU, 3: LU.
4. Automatic brightness adjustment: (18:00-6:00) brightness automatically dims.
5. Sound control function: when powered by dry batteries, the sound control function turns on automatically. After the LED screen turns off, sound control can turn on the LED display for 16 seconds before turning off.
7. Power supply: DC 5V/2A or battery powered.
8. 12H/24H time format selectable. Years from 2000 to 2099.
9. Temperature range -9°C to 50°C. Two temperature units: °C, °F.
10. Countdown function, maximum countdown time is 23 hours 59 minutes 59 seconds.
11. Alarm and snooze functions: two sets of alarms per day. When the time comes, the alarm rings for one minute; press any key to turn off the alarm within one minute (when snooze is off). Has a snooze function that can be turned on or off, and the snooze duration can be set (1-60 minutes). Weekend alarm function, allows turning the alarm on or off on weekends.
12. Night Do Not Disturb function.
13. Power-saving mode: when powered only by dry batteries, the device will enter power-saving mode, and the screen will automatically turn off after 16 seconds; pressing any key will reactivate the screen.
Tips:
1. Product is shipped without batteries.
2. When powered by DC 5V USB, the alarm clock screen stays on.
3. When powered by batteries, the alarm clock cannot stay on continuously; it will turn off after 16 seconds of inactivity, pressing any key will wake up the alarm clock.