*The Venom Red Dot Sight-3 MOA promotes rapid target acquisition while providing a precise point of aim; getting shots down range and on target fast*High quality, fully multi-coated lenses offer a clean, wide field of view*The Venom also has an auto-brightness mode that uses an ambient light sensor to control dot intensity if the shooter prefers. Parallax FreeThis one has been a boon to a wide range of daytime applications including hunting, tactical scenarios and precision shooting. Ideal for close-range and general shooting. Moreever, It is most helpful in providing optimal visibility and enhanced image clarity, which could increases light transmission during low light situations.and let shooters cater the dot intensity to the situation at hand.