Eotech Xps2-0 Holograpic Sight -

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