TS Platform and SSS Structure for Most Durable and Responsive Internal AdjustmentsClear and Extra Bright Laser BeamPrecise and wide Range Windage and Elevation Adjustments for all FirearmsUniversal Clamp-on Mounting Deck to fit most Tactical Firearms with or without Rail SlotsAmbidextrous Push Button Switch and Remote Pressure switchHard Anodized Finish for Wear ResistanceFour AG-13 (LR44) Alkaline Button Cell BatteriesAim and Instant Lock on Targets to Enhance Shooting Accuracy and PerformanceMost Versatile Lasers for Wide Range of Pistols, Shotguns and RiflesAllen wrenches included