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; adjustable for windage and elevation; 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: 520nMDot Size: .25" x .5" @ 10 ydsPower: 5mWWeight: 60 ozBattery: CR1/3N 3VLaser Color: GreenFirearm Fit: HandgunAdjustments: Windage & ElevationFinish: BlackMount Type: Picatinny/Weaver