Red Filter For PowerTac E5/E9/E10/Cadet Or Flashlights With 25mm Bezel

PowerTac Red Filter for (E5/E9/E10/Cadet or Flashlights with 25mm Bezel) Red light is most often used to enhance, or more properly, not harm night vision. Red light provides great contrast and is not visible to the human eye over long distances. It also works well with night vision scopes and goggles. Photographers use red-coloured light when doing night-time photography because it provides contrast while preserving the natural shadows developed by darkness. Red light cuts through smoke better than white light and, with the exception of red lines and marks on maps and charts, it makes reading in low, or no, light possible. Police and military units like the red LED for night operations because it will not interfere with night vision technology and cannot easily be picked up by other people Features The Ultimate Light Device Accessories Genuine Accessory Specification Compatible with: E5 Series, E9 Series, E10 Series, Cadet or Flashlight with 25mm Bezel Weight: 25grams (FIL-RE5)