Thanks to the custom fit obtained by rail vise technology, spartan is the perfect choice for a larger variety of pistol models.The oversized paddle switch offers simple ambidextrous activation for the laser which has steady and pulse modes.The spartan is adjustable for windage and elevation.The left and right housings clamp to the gun rail with two screws, and the spartan has an integral picatinny rail permitting attachment of a tactical light.The spartan is compatible with sub-compact and larger pistols with a picatinny/weaver rail and long guns with a minimum 1" of rail space.The rail vise positioner enables precise placement on rail which adjusts for hand size or preferred positioning.Power Switch: Ambidextrous On/OffWavelength: 520 nmDot Size: .25" x .5" @ 10 ydsPower: 5mWWeight: 0.60 ozBattery: CR1/3N 3VLaser Color: GreenFirearm Fit: Any w/1" Rail & UPAdjustments: Windage & ElevationFinish: BlackMount Type: Picatinny/Mil-Spec/Weaver