Features

 LCD displays 2 lines of 16 characters. ( back lit )

 6 button keypad

 Indicator LED's

 piezo electric beeper

Each of the above have there own ribbon cable header that allows each function to be controlled independently.

The display chip is the HD44780 industry standard that is easy to learn how to program.  There are many webpages telling you how.  An example webpage:  http://ouwehand.net/~peter/lcd/lcd.shtml