LED Lenser M1 Pocket CR123 Flashlight 880052 is a small flashlight that nevertheless packs a punch with some of LED Lenser's most state of the art flashlight technologies. The M1 incorporates many of the patented features that separate LED Lenser flashlights from the competition, including the Advanced Focus System (AFS), Basic Smart Light Technology (SLT) functionality, and the one-touch Rapid Focus system. The Basic SLT system allows the user of the LED Lenser M-1 SLT Flash Light to switch between three modes -- Power, 15% Power, and Strobe -- by using a specific sequence of button presses (for example, one touch and one full click in a row activates the 15% Power mode), giving this flashlight plenty of versatility. The combination of the AFS and the Rapid Focus system allows you to switch between a diffuse flood light and a concentrated spot beam simply by sliding the bezel with your thumb. LED Lenser has built this flashlight to pump out a maximum 140 lumens, and it's powered by a single CR123 battery, which has an extraordinarily long shelf life and a proven resistance to freezing temperatures, so the M1 Flashlight is ideal for camping, hunting, and rigorous outdoor adventures. For a versatile flashlight with an one-touch beam adjustment and a variety of lighting modes, choose the compact power of the LED Lenser M 1 Compact Rapid Focus Flash-Light.