Quick, High Precision Laser Targeting Barska GLX 5mW Green Laser BARSKAs GLX 3rd generation standard 5mw green laser features external riflescope style windage and elevation (W/E) adjustments for quick, high precision targeting. The 3rd Gen GLX laser makes zeroing in your laser a quick and easy process. This laser emits a highly visible intense Green laser beam, which is the most visible color light because of its sensitivity to the human eye. High Capacity Power Powered by a high capacity CR-123A lithium battery(1pc battery included) the 3rd Gen GLX standard tactical laser can emit a high intensity green laser beam constantly for accurate targeting. The tactical design integrates a tactical edged bezel into the strong T6 aluminum body for added protection. What's in the Box The 3rd Gen GLX laser package comes complete with a continuous push button on/off cap, momentary on/ off long cable switch, 1inch picatinny rail ring with a stabilizing cross bar insert for added support and one high capacity CR-123A lithium battery. About Barska Barska is a worldwide sport optics company with strong brand recognition within the optics industry, with corporate offices in La Verne, California, and warehouses and distribution centers in La Verne and Shanghai, China. Barska offers an extensive line of precision sport optics products, such as binoculars, riflescopes, spotting scopes, and telescopes. The product range has been designed and built with the latest optical technology, allowing users to enjoy all their favorite leisure time outdoor activities. Product Alert WARNING: You must be 18 or older to purchase this item. This item cannot be shipped to New York City; D.C.; MA; Puerto Rico or Canada. This item cannot be shipped Parcel Post. Please check your State, County and City laws for restrictions before ordering this product.