The tlr-2 securely fits a broad range of weapons with one handed snap-on/tighten interface.It features a highly visible green laser which assists in target acquisition.The housing is constructed of polymer while the light is made of aluminum with an anodized finish borofloat glass lens c4 led bulb and ambidextrous on/off switch.It also has three position mode selector switch: laser only led only strobe.The tlr-2 mounts directly to handguns with glock-style rails and to all picatinny rails and has windage/elevation adjustment screws mounted in brass bushings.Included are two cr123a lithium batteries and locating keys for glock-style picatinny beretta 90two s&w 99 and s&w tsw.Material: Polymer/AluminumType: Weapon LightOutput: 300 LumensBulb Type: C4 LEDBody Diameter: 1.47"Oal: 3.39"Weight: 4.58 ozBattery: CR123A LithiumProofs: Water ResistantColor: BlackFor Series: Most HandgunsRechargeable: NoFilter Color: WhiteSwitch Type: AmbidextrousHazair: Yes