Hillrom Welch Allyn Fiber Optic Sigmoidoscopes. Halogen light. Fiber optics provide cool distal ring of light, no reflections, no obstructions. Autoclavable stainless steel. Hinged window with neoprene seal. Graduated tube with removable tip. Complete set includes: sigmoidoscope speculum, obturator, light handle, insufflation bulb & transformer