US Red Dot Laser Sight for Picatinny and Rifle

Description: Clear and Extra Bright Laser Beam! Precise and wide Range Windage and Elevation Adjustments for all Firearms! Universal Clamp-on Mounting Dech to fit most  Firearms with or without Rail Slots   Features: Laser Wavelength:Laser Wavelength:835-655mm Length: Approx 56-57mm Laser Range: 50-100 meters Metal Housing Tube Size: 48mm x 17mm Tube Diameter: 17mm Mount Size: can adj to 20mm or 11mm Packing:box Wrench for laser use     Included in the Package: > 1 x Laser sight scope with Mount > 3 x AG13 Battery > 2 x Wrench