This digital alarm clock comes with extra-large LED numerals for clear viewing from a distance. It supports three adjustable brightness levels to fit daytime and nighttime use. The screen can display time, date and temperature, and users can switch between 12/24-hour format and Celsius/Fahrenheit freely. Equipped with gradually increasing alarm sound and customizable snooze mode, three alarm cycle modes including weekday, weekend and daily are available. It needs to work with plugged-in power. AAA batteries serve only as backup to save settings instead of driving the clock independently.

· Overall Size: 2.4 in (H) × 1.0 in (W) × 6.3 in (D) · Weight: 0.33 Pounds · Display: Large-size digital LED screen · Housing Material: Plastic · Core Functions: 3-level brightness adjustment, snooze, time/date/temperature display, 12/24hr switch, ℃/℉ switch, progressive alarm tone · Backup Power: 3 AAA batteries (not included)