The G45.STS 5X Magnifier has the similar weight and dimensional properties as the existing G33 Magnifier, but with an additional 2X magnification for precision aiming at greater distances. The mount provides fast transitioning from 5X to 1X and the optic offers tool-free vertical and horizontal adjustments with a large field-of-view. The G45 works with all EOTECH HWS models. Fixed Magnification 5X Eye Relief 2.6 (67 mm) Field of View 4.4 Sealing Fog resistant internal optics Country of Origin Assembled in USA Warranty: EOTECH guarantees every product to be free from manufacturing defects in material and workmanship under normal use for a period of ten (10) years from the manufacturer s date or customer s proof of purchase. See EOTECH's Prestige Warranty details for more information.