BSA LG-ND3 LG Designator + Scope Mount

Precision Machined From High Tech Aluminum. Fully ORing Sealed For DUst And Water. Fully MultiCoated Optical Lens System. Nitrogen Charged For AntiFog. 1 (Tube Adapts To Many Mounting Systems). Dimensions: 6.10 L X 1.25 DIA. X 1.0 DIA. Tube. Power Supply: 1 CR123A Battery (Included). Rotary Optical Beam Collimator. Allowes Quick Adjustment of Beam Diameter and Intensity. 532nm Laser Light Frequency. Easiest Light For The Human Eye To See. Amplified Coherent Light Most Efficient Light For Long Distance Illumination. Output Power: 18mW. Range: 3.0 Miles (Extreme Cold Weather Use).