Soondar Pencil Cup Pen Pencil Pot Holder Organizer with Alarm Clock Countdown Temperature Display(C and F), Blue LED Electronic Calendar Alarm Clock Countdown Timer Temperature Display Pen Holder Function: Background light, Alarm clock, Calendar, Countdown Timer, Alarm, Temperature(C and F) Great for use in both office and home. Size:105mm (H)*75mm(W) *80mm(Base). Powered by 3 AAA Batteries (not included)