Whether you are using it for low light tactical maneuvers or as a backup light, eX2 meets illumination requirements of a tactical operator to the needs of a patrol officer. Utilizing similar xenon light source of X2, the B-eX2 xenon lamp assembly produces 65 lumens of light output with its optimally focused micro textured reflector. Unlike other low end flashlights made of plastic materials, eX2 is completely crafted out of aerospace grade aluminum for heavy uses. The eX2 is completely finished in anti-corrosive Type II black anodized exterior. All connections are sealed with o-ring for protection against water leakage. eX2 is features a TC4 push on/off tail-cap switch that can be pushed slightly for momentary-on or click to constant-on. Two PentagonLight™ CR-123A lithium batteries with 10-year shelf-life are included.