Official PayPal Conversion Rates Add Currency Converter To Your Items Shortest model sight yet! This sight is smaller than the previous N-cell battery sight (511/551) and runs on a single 123 battery. It also has a longer battery life than the N-cell style sights. With the brand new single battery configuration, the XPS allows more rail space than ever, leaving more room for rear iron sights or magnification. Smaller, lighter and all the time fast; the XPS series is a brilliant new additon. Single transverse 123 battery to scale back sight length Shortened base only requires at most 2 3/4 inch of rail space in comparison to the 4 inch N battery sights Battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap; better sealing is achieved Battery compartment is now separated from the bottom to permit it to hover over the delta ring of the rifle Average battery life at brightness level 12 is kind of 600 hours, 3X battery life of N cell sights Reticle: 65MOA circle with 1 MOA aiming dot The XPS2 isn’t Night Vision compatible, for Night Vision compatibility see the XPS3 sights.