The Princeton Tec Vizz Headlamp is a great light source to brighten up your darkened work space. The Vizz features three distinct beam profiles that are easily accessed through a simple press, hold, or double press of a button. At the maxbright setting the LED light powers a 165-lumen spot beam. The lamp has three different LED modes: maxbright, ultrabright white, and ultrabright red. The headlamp has a burn time of 150 hours and requires 3 AAA Alkaline or Lithium batteries (included). Weight: 3.25 oz.