The HWS XPS2 ODG is the non night-vision version of our shortest and lightest HWS sight so far. The CR123 lithium battery configuration of the XPS2 provides additional rail space, leaving more room for rear iron sights or magnifiers. Also offering water-resistant capability up to 10 feet, the XPS2 is a great compact and lightweight option for your platform - now in OD Green. Product Includes: HWS XPS2 ODG Quick-Start Guide Warranty Card CR123 Battery Protective Case Product Specifications L X W X H: 3.8" x 2.1" x 2.5" (96.5 x 53.3 x 63.5 mm) Weight: 9.0 oz (255 g) Water Resistant: 10ft. (3 m) depth Mount: 1" Weaver or MIL-STD-1913 rail Windage & Elevation Adjustment: 0.5 MOA per click Brightness: 20 daylight settings Power Source: 1 x CR123 battery Battery Life: 1,000 continuous hours at nominal setting 12 at room temperature Operating Temperature: -40 F to 140 F (-40 C to 60 C)