Ade Advanced Optics HB06-1 Triple Duty 450nm Blue/Violet Laser Sight with Picatinny Mount, Black Non-handheld class 3R laser product, &lt;5Mw power output Green laser meets FDA safety standards with adjustable windage and elevation Operates with 1 single CR123 battery(included). it last about hours constantly on which is a lot longer than Red and green lasers. T6 aircraft aluminum body One year manufacture Warranty by Ade Advanced Optics, an Oregon company