Parallax free optical design, with unlimited eye relief. SHAKE AWAKE: Holosun's Shake Awake Technology shuts the LED off during periods of motionlessness. The amount of time it takes for the LED to deactivate (enter Sleep Mode) is user programmable. Shake Awake can also be completely deactivated which keeps the optic powered on for up to 100k hours (certain models).
SOLAR FAILSAFE : Holosun optics with Solar Failsafe feature automatic brightness adjustment; when you're under the sun you have a bright reticle, when you move indoors it will automatically dim down to match ambient lighting conditions. Solar Failsafe allows the red dot sight to remain powered when your battery fails. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser". The seller is "deertrackdesign" and is located in this country: US.This item can be shipped to United States.