The LM-ERDS (LaserMax enclosed red-dot sight) is a robust, fully enclosed sight designed for mounting on RMR or MOS optic ready pistols. Crafted from aircraft-grade 7071 aluminum, its durable housing ensures reliability in challenging conditions. The LM-ERDS features an innovative external forward-facing light sensor, a pioneering feature in the industry, which automatically adjusts the brightness of the red dot based on ambient lighting conditions. Included with the sight are RMR and Glock MOS mounting base plates, offering versatility and compatibility right out of the box.