The tlr-vir ii is a lightweight low-profile lithium battery powered weapon-mounted tactical illuminator with integrated ir led/laser and visible white led.It is constructed of aluminum with an anodized finish polymer switch housing and borofloat glass lens with anti-reflective coating.It also has an ambidextrous momentary and steady on/off switch and a recessed three position mode selector switch.The tlr-vir ii securely fits m17/m18 pistols and all long guns with mil-std-1913 rails.Material: AluminumType: Weapon LightOutput: 300 LumensBulb Type: LEDOal: 3.30"Weight: 3.82 ozBattery: CR123A LithiumProofs: WaterproofColor: Black AnodizedFor Series: M17/M18/Long Guns w/MIL-STD-1913 RailRechargeable: NoFilter Color: WhiteSwitch Type: AmbidextrousHazair: Yes