The SIG SAUER ROMEO-RS is a cutting-edge optic designed for precision and reliability. Its hybrid construction features a reinforced steel chassis encased in a high-strength polymer housing for superior durability. Equipped with a molded glass aspheric lens, it ensures a distortion-free sight picture. The high-efficiency LED emitter offers multiple reticle options and eight brightness levels, providing clear visibility in any environment. A large side control button allows for quick adjustments, while the side-mounted CR1632 battery tray ensures easy battery replacement without removing the optic. With a continuous runtime of up to 20,000 hours at medium brightness and MOTAC Motion Activated Illumination for energy efficiency, the ROMEO-RS is built to last. Proudly designed, developed, tested, and assembled in the USA, it is backed by the SIG SAUER Infinite Guarantee for ultimate peace of mind.