SureFire X400VH Weaponlight winfrared laser serves as the interface for the MasterFire holster system for almost any pistol with a tactical rail. Features quick deployment and instanton light activation an ideal combination in a lowlight highstress situation VSeries head which provides both whitelight and infrared illumination plus an integral Class 1 infrared laser aiming device 350 lumens of visible tacticallevel light or 120 mW of IR illumination for use with NVGs camslotted bezel and rear locking lugs on battery housing interface with MasterFire holster for secure weapon retention. QuickDetach rail clamp provides fast secure attachment to Universal and Picatinny MILSTD1913 rails for use on handguns and long guns.