Length: 3.8 in (96.5mm) Width: 2.3 in (58.4mm) Height: 2.9 in (73.7mm) Weight: 11.2 oz. (317.5g) Mount: 1" Weaver or Mil-Std 1913 rail Power Source: 3 volts, (1) 123 Lithium battery Brightness: 30 settings (10 for NV) Water Resistance: 33 ft. (10m) Battery Life: Approx. 600 hours at nominal setting 12 at room temperature Color/Finish: Black Night Vision Compatible: Gen I-III Reticle: 68 MOA ring with (2) 1 MOA dots