Length: 3.8 in (97mm) Width: 2.1 in (54mm) Height: 2.5 in (64mm) Weight: 9.0 oz. (255g) Mount: 1" Weaver or Mil-Std 1913 rail Power Source: 3 volts, (1) 123 Lithium battery Brightness: 20 settings Water Resistance: 10 ft. (3m) Battery Life: Approx. 600 hours at nominal setting 12 at room temperature Color/Finish: Black Night Vision Compatible: No Reticle: 68 MOA ring with 1 MOA dot