Spot-On 2 LED Headlight with Eight Brightness Levels illuminates without blinding your patient. Loupe mount included. Spring clip mount fits most eyewear. Continuously adjustable spot size, from 0.6″ dia. to 3″ dia. at a working distance of 14″. XY-adjustable light mount directs illumination exactly where you need it. Long-lasting LED bulb provides crisp, white light. Weighs only 0.8 oz. (without cord or battery).