Can the bus keypad easily integrate with our PMU-16 and Ecumaster EMU Black? 
Very rugged and fully waterproof.
8 available colors which are used as a backlight to the inserts, this can be used to show a switches status when using the PMU/EMU Black for set up.
The price includes your choice of 15 inserts.
 
Please use the link to look at the inserts we offer. 
Inserts