Product details:

Multi-mode electronic switch. Aggressive Knurled Design and Stealth Matte Finish. Advanced focus system (adjusts from spot to flood with less than 1/4 turn of the head). 4 Activity based function sets to choose from Whether youre a professional using a flashlight for work or security, an outdoor enthusiast or an occasional user wanting it for emergencies at home or on the road, the ML300LX LED D-Cell flashlight is the light for all your needs. Since the beginning, Mag Instrument has prided itself on its beam-forming optics, the quality of its precision-designed and precision-crafted reflectors and the versatility of its spot-to-flood beam focusing mechanism. High-quality optics help a flashlight to direct light in a useful way without excessive power consumption. Something that the brute force approach of maximizing lumen output cannot do. High-quality optics can also play a role in slowing battery consumption and prolonging Run Time. As LED technology continues to advance, the number of watts of power consumed per lumen of light generated goes down; but it is still true to say that the more lumens you want, the faster you will consume battery power. So it is still true, and probably always will be true, that excellent beam-forming optics will enhance a flashlights ability to deliver useful light while avoiding the need for enormous lumen output and correspondingly fast battery drain. With the familiar Quick-Click system users can, within the General function set, choose Full Power (maximum Lumens): Low Power (up to 143 Lumens) or Eco Mode, a super power saving mode that yields up to 58 Lumens with greatly extended run-time. There are three additional function sets Outdoor, Law Enforcement and Military. Each offering a different set of functions invoked in a different.