The Viridian 912-0045 Green Laser Sight for Ruger MAX-9 E-Series is a trigger guard mounted, constant-on laser designed for everyday conceal and carry use, delivering a bright green beam (515-532 nm) for rapid target acquisition in a compact, pistol-specific package. Easy installation onto the trigger guard makes mounting straightforward, while the ambidextrous on/off button with a 5-minute auto shutoff provides convenient power management during fast-paced scenarios. This model offers impressive performance, capable of reaching up to 100 yards in daylight and extending to about 2 miles at night with a reliable, continuous laser for precise aiming, all powered by a 1/3N battery that supports 60+ minutes of continuous operation. Fine windage and elevation adjustments ensure precise alignment with the pistols point of aim, and the sight remains consistently ready for use with a compact footprint that suits the Ruger MAX-9 configuration. The Viridian E SERIES laser sight is engineered to enhance situational awareness and rapid target acquisition when it matters most, combining durable construction, user-friendly controls, and proven performance in a discreet, pistol-mounted package.