For those who demand uncompromising performance in the toughest conditions, the ROMEO2 Large Shroud delivers superior durability and precision. Featuring a full-length steel shroud and enclosed lens system, it shields the emitter from dust, debris, and moisture, ensuring reliability in any environment. With 3 MOA and 6 MOA reticle options, 15 brightness settings, and a high-efficiency LED emitter with a molded aspheric glass lens, it offers exceptional clarity and rapid target acquisition. Built from 7075 aluminum with a reinforced steel shroud, the ROMEO2 withstands extreme impacts while maintaining peak performance. Designed for SIG pistols with the PRO-CUT slide, it boasts an impressive 25000 hr battery life and SIG's MOTAC technology, which activates the optic with movement to maximize efficiency. The ROMEO2 Large Shroud is the ultimate red dot sight for shooters who refuse to compromise. The molded glass aspheric lens with high-performance coatings offers superior light transmittance and zero distortion for a clearer sight picture Included accessories such as the MAGNETAC rubber sight cover, FIX-IT-STICKS multi-tool, lens pen and half shroud provide everything you need for maintenance and protection Can be directly mounted to any Sig pistol with the pro slide cut, offering a secure, compatible setup for your firearm Spring-loaded side battery tray is released by a push-button, eliminating the need to remove the optic to change the battery MOTAC (motion activated illumination system) provides instant illumination when motion is sensed and powers off when inactive to conserve energy The MAGNETAC magnetic activation system automatically powers off the optic when holstered and powers it back on when drawn for seamless functionality DARC (dark adaptive reticles and coatings) technology provides ideal reticle brightness and target clarity when using GEN 3+ night vision devices, enhancing low light performance Designed, developed, tested and assembled in the U.S.A., ensuring high-quality craftsmanship and reliable performance