Medical Illuminations System One Exam and Surgical Lights incorporates all of the most requested features: High output of cool, color-corrected light, adjustable pattern size, electronic touch controls for on/off and dimming, smooth, flexible and extensive suspension arm for maximum coverage, reserve bulb that automatically switches over in case of primary bulb failure, excellent shadow control, rotational contacts at all key points, and much, much more. Ask about other makes and models such as Amsco, Nuvo, Skytron, and Heraeus Hanaulux.