The Eotech Holographic Weapon Sight 557.AR223 features 30 different brightness settings (10 settings with night vision).

Features

• Waterproof, submersible to 33ft deep
• Fogproof internal optics
• Function button located on the left side near the back of the sight
• 30 different brightness settings (10 settings with night vision)
• Flashing battery check indicator with start-up
• Automatic shut-off at 8 hrs programmable to 4 hrs
• Anti-glare coating

Specifications

• Optics: Transmission holography- parallax free; Unlimited eye relief
• Magnification: 1x
• Length: 5.7"
• Width: 2.1"
• Height: 2.8"
• Temperature: -40 to 150 f
• Color: Non reflective black with hard coat finish
• Adjustment per click: 0.5 MOA
• Adjustment range: +/- 40 MOA travel
• Mount: 1" picatinny (mil-std-1913) rail
• Adjustable Brightness Range: 146,000:1 brightest to lowest
• Night Vision Brightness Range: 1280:1 with night vision switch on
• Batteries: Requires 2 x 1.5v AA batteries
• Window Dimensions: 1.20"\ x 0.85"
• Field of View: 100yds; 30 yds at a 4" eye relief