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. Included in the box: HWS XPS Green Quick-Start Guide Warranty Card CR123 Battery Protective Case Specifications for Eotech XPS2 Holographic Red Dot Sight: Finish: Hard Coat Magnification: 1 x Objective Lens Diameter: 0.85 in Illumination Type: Holographic Illumination Color: Red Brightness Settings: 20 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 0.5 MOA Field of View, Linear: 30 yds at 4 in Lens Material: Front Window 1/8in solid glass Rear Window 3/16in Laminate Attachment/Mount Type: Weaver, MIL-STD 1913 Battery Type: CR123A Battery Life: 1000 hours Operating Temperature: -4 - 122 Fahrenheit Water Resistance Level: Submersible Condition: New Package Type: Polymer hard case Magnification Type: Fixed Lens Finish: Fog resistant internal optic Fit: both 1in Weaver and MIL-STD-1913 rail