The EOTech XPS3 sight is smaller and lighter than the other holographic weapon sights, is night vision capatible, runs on a single 123 battery and allows more rail space for rear iron sights, magnifiers, or night vison scopes.
Features 65 MOA Reticle with 1 MOA dot, waterproof, a shortened base that only requires 2.75" of rail space, battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap achieving better sealing, and the average battery life at brightness level 12 is roughly 600 hours.
Optics: Transmission holography - parallax free
Eye Relief: Unlimited
Length/Width/Height: 3.5"x 2"x2.4"
Weight: 8 oz
Temperature: -40 to 150 F
Waterproof: Submersible to 33 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: yes, 10 additional settings
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: 146,000:1 brightest to lowest
Night Vision Brightness Range: 1280:1 with NV switch engaged
Power Source: (1) 123 lithium battery
Battery Life: 600 continuous hours at nominal setting 12
Brightness Settings: 30 settings with scrolling feature (10 settings for NV use)
Auto Battery Check Indicator: Flashing reticle upon start-up
Auto Shut-down: Set to 8 hrs; programmable to 4 hrs