Our AA battery/110V powered LED headlight is the answer to your portable and stationary lighting needs. The 100,000-hour rated LED provides years of use with no need for bulb replacement. Use the AA battery pack for portable operation, and, plug into any 110V outlet for extended periods of stationary work. Either way, you will get a bright, white light where you need it. Optional magnification lenses (1.5X to 2.75X) are available for $35.00 each.