Ritter Operating Light - on/off switch - perfect illumination because of extra long lamp arms - lamp burst protection - hand grids autoclavable - two intensities 8000 and 25000lux Water Unit / Cuspidor - state of the art designed floor mounted water unit - easy access panel for easy maintenance - pressure regulator for cup filler and spittoon - public water connection and Bottle System - rotating porcelain cuspidor, easy to clean - removable spittoon components for easy cleaning - timed cup filling and spittoon flush - autoclavable water spouts