The FM 70 is a flip filter lens that includes 4 lenses: Red, Green, Blue and Black Out. The flip lens feature gives the ability to quickly change from a colored lens to white light. The black out lens can be used to prevent accidental light discharge, but is easily snapped open when light is needed. The FM 70 kits comes with two rubber grommets that allow use on both 1.0" and 1.125" head lights. Excludes Vampire Series lights.