The aircraft-grade aluminum body of this reflex red dot sight with four reticle options is designed to resist persistent severe recoil. The tactical red dot sight is fog-proof and has a shock-resistant housing with weather-resistant seals for long-lasting performance. The optic coated lens has a higher light transmission resolution and is more scratch resistant. The reflex sight offers four distinct reticles to choose from, each with an adjustable rheostat for brightness control to meet varied lighting conditions. The reflex sight has a Picatinny/Weaver mounting system built in. The reflex red dot sight comes with a protective lens cover and limitless eye relief for efficient target acquisition. Limited lifetime warranty.