Main Features:
1. Two display modes:
(1) Time, temperature, and day displayed on the same screen;
(2) "Time, temperature, day" and "date, temperature, day" alternate display.
2. Adjustable brightness:
(1) Automatically adjusts brightness according to ambient light,
(2) Manually adjustable brightness.
3. Ambient light: three brightness levels.
4. Alarm function: two alarm groups with options for single/weekday/everyday alarms. Snooze function included.
5. Stopwatch and countdown functions: up to 99 minutes 59 seconds.
6. Temperature switching: Celsius/Fahrenheit switch.
7. Daylight saving time.
8. 12/24H format.
9. Power supply: DC5V (always-on display) or 3 AAA batteries (display woken up by button press).
Tips:
1. Batteries are not included in the shipment.
2. When powered by DC5V, the alarm clock display is always on.
3. When powered by 3 AAA batteries, the alarm clock screen turns off after 10 seconds and can be activated by pressing any button.