The m1 is operated with a cr123 lithium battery and produces an impressive light current of 155 lumen with nearly ten centimetre length the focusable mite with intelligent microprocessor fits into each pants pocket and offers almost the same light output such as the preceding models with three and more batteries the full light output can be turned to a dimmed save mode and a mode with stroboscope by different key combinations and switch combinations the m1 is equipped with one handed f