The Halogen Headlight is a precision professional instrument designed to enhance vision with intense, high quality halogen illumination. It includes transformer, 11' cordset and female connector switch. The Illuminator provides 10 watts of intense halogen light @3250°K to emulate the color rendition of natural white light. Includes two power sources - The wall plug-in transformer with an 11' low voltage cord set and connector switch and a small lightweight rechargeable one-hour use battery with a 12-hour charger.