The lightweight VistaView™ Portable LED Headlight System offers optimal illumination with a sharp, clean even spot that is bright enough for some surgery. With a 2.2-watt LED bulb that supplies 6000º Kelvin illumination and 100,000-hour lamp life, this intelligently designed portable headlight is powered by the BFW™ Lithium-ion power pack with three spot intensity settings. The VistaView System includes an LED optic with adaptors to clip to loupe glasses or adjustable headband with brethe-o-prene comfort cushions, a battery pack with two lithium ion batteries and a power supply for charging battery.