The Lumina Keypad with Built-in Speaker/Microphone is a surface mount keypad with a slim design that may be flush mounted with an optional flush mount back box.  This version of the Lumina Keypad has a built-in speaker/microphone. It features a 48 character cool blue backlight LCD display with menu operation, backlit keys, selectable keyclick, beeper functions and viewing angle. All control and programming functions may be accomplished using a Lumina Keypad with Built-in Speaker/Microphone. It has Silk Screen with the menu options printed on the keypad face.