Fitted with two temperature-resistant DURACELL® CR123A lithium batteries as the power source, the LED LENSER® M8 is your true companion when climbing mountains, exploring deserts or hiking through snow and ice. The classic timeless design and the perceptible elegance, coupled with functional ergonomics, flatter both the eye and the hand. The integrated Smart Light Technology enables the selection of either the Constant Current regulation mode or the Energy Saving Mode. Three different lighting programs with up to 8 different lighting functions optimise the user experience according to personal use. The lighting range of the LED LENSER® M8 is one of the best in it's class and the patented**** Advanced Focusing System enthuses even the experts. Additionally, the combination of the one-handed Speed Focus and Fast-Lock features truly reinforce the superiority of our focusable LED technology.