Multi-Function Helmet Light: Upgraded tactical helmet strobe light, it's a multi-function helmet mounted LED light designed for airborne/MFF, tactical and other military operations.Safe to Use: Tactical marker helmet light with Velcro on the back for easy peel away and stick from the helmet. The contour is curved for a comfortable grip. Not easy to fall.High Visibility: When turned on, it can be seen in all directions. clearer identification. IR helmet light fit most tactical helmets.Easy to Use: Slide switch design, easy to operate even with gloves on the move. With two operating modes and four user-defined functions. Red light steady + Red light steady and strobe white light + IR Steady + Strobe IR. Tips: IR light is invisible light.Stable and SturdyPowered by 1x BatteryCR123 ). The battery can be quickly replaced in the field without special tools. The back is fixed with screws, more stable in the process of moving.