The M3X Tactical Illuminator was built for U.S.Special Operations personnel and designed to perform under the most rigorous conditions while surviving the harshest environments. The M3X utilizes a Xenon bulb that delivers a peak output of 125+ lumens and is protected by the Shock Suppression System designed to handle the heavy recoil demands of todays tactical loads. The ambidextrous rocker switch allows the M3X to be activated in either a Momentary On or Constant On mode and is interchangeable with any other backplate designed for either M3X or M6X models. - FEATURESMultiple Modes: Constant On, Momentary On - Three Rail-Interface Options - Interchangeable M3X and M6X Backplates - SPECIFICATIONSPeak Output 125+ Lumens - Interface Options MIL-STD-1913, Universal, or Rail-Grabber - Weight 3.9 oz. w/Batteries - Dimensions 3.4L x 1.6W x 1.6HWaterproof to 66 Feet - Lithium Battery Power 6 Volts from Two (123)