Special Features:

Slip-on infrared filter cancels out non-infrared portion of the light spectrum to produce a smooth beam of infrared light for use with night vision devices and infrared-capable video cameras; fits one inch diameter bezel; provides secondary protection to flashlight lens window

Properties:

An item fabricated of a special glass or other suitable material for the purpose of transmitting electromagnetic radiation having wavelengths greater than those of microwaves and blocking all other wavelengths of light. it is designed to fit into the aperture of a suitable light source or detector. excludes filter, ultraviolet light.