This is the classic Vortex Venom that has been popular for years . It is an open emitter design, which means the LED that projects the dot is exposed in an open housing .
Best For: Pistols, rifles, and shotguns where ultra-light weight and a low profile are key . Its wide viewing window is great for rapid target transitions .
Key Feature: It has an auto-brightness sensor that adjusts the dot's intensity based on the ambient light .