48 alarm clocks per box Product Features • 4-digit LED display • 5 functions MODE, ALARM, UP, DOWN, SNOOZE/LIGHT • Time display mode: 12/24-hour • Date function • Alarm: Set a daily alarm clock and snooze feature • Three alarm modes: Workday alarm (5-day alarm), Monday – Saturday (6-day alarm), Everyday alarm (7-day alarm) • Real-time temperature monitoring: Celsius/Fahrenheit conversion, test range -10℃～℃～+50℃℃(14 122℉℉) • 2 Display modes: Date/Time, and Cycling of Date/Time/Temperature • Power saving function: When running on batteries, the LED display will automatically turn off after 16s if no key is pressed. It can also run on a DC 5.0V power supply (included), which will keep it on at all times. • Brightness adjustment: Press the UP button to adjust the brightness • Night mode: Brightness automatically dims between 18:00-6:00 in 24-hour mode, or between 6:00 PM - 6:00 AM in 12-hour mode. • Time memory function (in case of a power outage): Runs on 3 AAA batteries