ESI Manufactures a broad line of the most popular styles of Sigmoidoscopes & Proctoscopes. Many, if not all, are lighted with a tiny integrated fiber-optic bundle providing illumination to the surgical site. ESI products are made of the highest grades of German stainless steel and are hand crafted in the USA by our instrument makers in Rochester NY. Many, if not most, carry a limited lifetime guarantee on workmanship and 1 year warranty on the light fibers. ESI’s product line can be used with all LED and incandescent surgical light sources. Please specify which adaptor you would like added in your quote request or at the time of order.