Deepon Digital LED Fluorescent Message Board Message Board Alarm Clock Temperature Timer Calendar with Pen - Contain Usb Cable Fluorescent light message board, you can write messages, draw pictures. Date, time, temperature switchable or slideshow. 12H / 24H format Celsius ( C) / Fahrenheit ( F) is optional. 3 groups of alarm and snooze function. Appreciate 16 famous songs. We can provide a electronical version of instruction. Please contact us if you need it. Birthday celebration. (Arrival time is set to play a birthday song). Timing and countdown function. Note: This product does not contain batteries, does not contain the power connector , but have include usb cable