Susan-star Red and Green Reflex Sight Dot with 4 Reticles 20mm Rail High quality aircraft grade aluminum alloy, shock proof, fog proof, water resistant ideal for military-law enforcement-hunters 4 Separate reticle patterns in both red and green helps you aim at the target quickly and accurately Mini sizes and lightweight, easy to be used and carried in your package No more energy consumption, non-glare light protects your eyes Unlimited eye relief & wide sharp field of view