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.
Available also in 12 key, 10 key, 8 key, 6 key, and 4 key configurations.