Eotech Holographic Sight Model 553

Length/ Width/ Height: 4.9" x 1.8" x 2.8"
Weight: 12.3 oz
Waterproof: Submersible to 66 ft depth Color/ Finish: Flat dark Earth (non-reflective black on some small components)
Mount: USSOCOM requirements dictated dual quick release throw levers designed specifically for the picatinny (mil-std-1913) mounting rail.
Return to zero: Repeatable to 1 MOA after re-mounting.
Night Vision Brightness Range:1,000:1 with NV switch engaged.
Power Source: 2 x 123 lithium batteries
Battery Life: 110 continuous hours at nominal setting 12