The Reflex Sight 1X33mm is a lightweight, compact reflex sight with a wide field of view. With 4 reticle patterns and Dual-Illumination this reflex sight has ultra-fast target acquisition and unlimited eye relief.The reflex sight 1x33mm is a lightweight, compact reflex sight with a wide field of view. With 4 reticle patterns and Dual-Illumination this reflex sight has ultra-fast target acquisition and unlimited eye relief. Features: Fog proof and shock-resistant housing Coated lens provides superior light transmission, resolution and scratch resistance Dual-illuminated (red and green) reticle with adjustable rheostat for brightness control Integrated Picatinny/Weaver mounting system Unlimited eye relief for quick target acquisition 4 different reticles-Classic II Edition