The Cyclops® Green Laser Illuminator boasts a 680-yard maximum beam distance, and adjusts from a narrow beam to a wide beam for a customizable view. The Illuminator features a weaver-style rail mount, and sports an anodized aircraft aluminum housing for lasting durability and dependability. Interchangeable push-button or pressure-pad switches offer versatile control options to adapt to your specific setup. Plus, an included BRQ mount with rubber pads allows you to clamp the Illuminator to scopes, windows, and other ledges, and a hook-and-loop strap allows for barrel mounting for added convenience. Powered by included CR123A battery (included).