Hybrid design with a skeletonized steel chassis molded into a high-strength polymer housing Molded glass aspheric lens for a distortion-free sight picture High-efficiency point source LED emitter with multiple reticle options and 8 brightness levels Large side control button for easy reticle adjustments Side-mounted CR1632 battery tray with security screw for quick battery changes without removing the optic Up to 20,000 hours of continuous runtime at medium brightness MOTAC Motion Activated Illumination powers up when sensing motion and powers down when not in use Designed, developed, tested, and assembled in the USA Backed by SIG SAUER Infinite Guarantee Experience precision and reliability with the SIG SAUER optic, featuring a hybrid design with a skeletonized steel chassis and high-strength polymer housing. The molded glass aspheric lens ensures a distortion-free sight picture, while the high-efficiency point source LED emitter offers multiple reticle options and eight brightness levels. Adjustments are quick and easy using the large side control button. With a side-mounted CR1632 battery tray and security screw, battery changes are hassle-free without removing the optic. Enjoy up to 20,000 hours of continuous runtime at medium brightness, supported by MOTAC Motion Activated Illumination that conserves power when not in use. Proudly designed, developed, tested, and assembled in the USA, this optic is backed by the SIG SAUER Infinite Guarantee for ultimate peace of mind.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Stockable: Y Country Of Origin: US