This little mini flashlight from Nitecore packs a punch with 170 lumens. The flashlight measures only 2 1/2 inches. The light also features waterproof, military-grade hard anodized aluminum alloy body, three brightness levels, and 14 hour battery life. Buy it now here Nitecore SENS Mini LED Flashlight w/ Active Dimming, Black, 170 Lumens, Uses NITECORE-SENS-MINI