The M1 is operated with a CR123 lithium battery & produces an impressive light current of 155 lumen. With nearly ten centimetre length, the focusable mite with intelligent microprocessor fits into each pants pocket & offers almost the same light output such as the preceding models with three & more batteries. The full light output can be turned to a dimmed save mode & a mode with stroboscope by different key combinations & switch combinations. The M1 is equipped with the one-handed focusable mechanic (speed focus) & with the innovative reflector lens of the Advanced focus system.