Halogen Headlight, includes transformer, 11' cordset and female connector switch. Illuminator provides 10 watts of intense Halogen light @ 3250°K to emulate the color rendition of natural white light. The projected light beam spot size and location is fully adjustable. (image shows headset only) Comes with 2 lenses; 3 diopter (1¾ power) @ 14” working distance AND 4 diopter (2 power) 12” working distance lenses.Lightweight (4.96 ounce) Magnifying Halogen Headlight features a brilliantly illuminated crystal clear field of view, unblocked peripheral vision and elevation adjustable magnifier.