Tactical Hunting Accessories Weapon 20mm Glock Handgun Picatinny Rail Mount Weapon Sight Gun Shooting Green Laser Pointer Pistol Pistol Red Dot Laser Specification: Locking PIN Low Profile Tactical Design Simple On & Off Additional Lower Weaver Rail To Attach Included Flashlight Aluminum Construction Laser Output Less Than <5mw Wave Length: 635nm Precision Made Full Windage and Elevation Adjustments Note: The CR123 Battery is Not Included!