The Sightmark LoPro Mini Combo Green Laser and Light replaces SM25004 (LoPro Combo Laser and Light) and features a more compact design” high-output white LED illumination (up to 300 lumens) and class IIIA laser with a range of up to 600 yards at night (50 yards in daylight). Perfect for close quarters and low light environments” the lightweight LoPro Mini Combo Laser and Light features IPX5 weather-resistant and shockproof reliability” digital switch operation” push-button or pressure-pad operation” hand adjustable windage and elevation” and up to 23 hours of operation from a single CR123A battery (38 min. on max light and laser). The LoPro Mini Combo is recoil rated up to .308 and mounts perfectly to Weaver and Picatinny rails.