Eotech EXPS2-2 Holographic Sight With XPS Reticle - EXPS2-2

Features: Night Vision-Compatibility: None Length/Width/Height: 3.8" x 2.3" x 2." (96.5 x 58.4 x 73.7 mm) Weight: 11.2 oz (317.5 g) Water Resistant: Submersible to 10 ft. (3 m) Mount: Quick-detach lever fits both 1" Weaver and MIL-STD-1913 rail Power Source: One 123 lithium battery Battery Life: 600 continuous hours at nominal setting 12 at room temp.