LED Electronic Calendar Alarm Clock Countdown Timer Temperature Display Pen Holder Colorful Flash Pen Container LED electronic calendar alarm clock Countdown Timer Temperature display pen holder Function:Color light,Alarm clock, Calendar, Countdown Timer,Music alarm, time display Temperature display Four mode:Normal time mode,music alarm and Snooze Mode,Timer Mode,Temperature Mode Powered by 3 AAA Batteries (not included) or AC Adapter (not included) Very Good Company,Usefull Pen holder