Magnification: 1x - Eye Relief: Unlimited - Length/Width/Height: 3.5x 2x 2.4 - Weight: 8oz - Temperature: -40 to 150 F - Waterproof: Submersible to 10 ft depth - Sealing: Fogproof internal optics - Adjustment (per click): 0.5 MOA (1/2 at 100 yds) - Adjustment Range: +/- 40 MOA travel - Mount: 1 Weaver or Picatinny (MIL-STD-1913) rail - Return to Zero: Repeatable to 2 - MOA after re-mounting - Night Vision Comatibility: none - Heads-Up-Display Window - Optical Surfaces: Anti-glare coating - Window Dimensions: 1.20 x 0.85 - Front Window Material: 1/8 solid glass - Rear Window Material: Shatter resistant laminate (3/16 thick) - Field of View (100 yds): 30 yds at a 4 eye relief - Brightness Adjustment Range: 146000:1 brightest to lowest - Power Source: One 123 lithium battery - Battery Life: 600 continuous hours at nominal setting 12 - Brightness Settings: 20 settings with scrolling feature - Auto Battery Check Indicator: Flashing reticle upon start-up - Auto Shut-down: At 8 hrs- programmable to 4 hrs - Matte black finish - Made in the U.S.A.