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HOLOSUN – HE510C-GR Open Reflex Optical Sight with Super Green LED (2 MOA Dot, 65 MOA Circle) title$339.99
SOLAR FAILSAFE: Holosun’s Solar Power Failsafe Technology allows the red dot sight to remain reliably powered if your battery ever fails in a critical situation. The battery life can last up to 50,000 hours depending on settings.
AUTOMATIC BRIGHTNESS ADJUSTMENT: With the Solar Failsafe feature, the reticle will automatically become bright if you are under the sun, and will automatically dim down when you move indoors to match ambient lighting conditions.
SHAKE AWAKE: With Holosun’s Shake Awake Technology, the slightest movement will trigger the on-board motion sensor to instantly activate the LED. During periods of motionlessness, the LED will turn off to save critical battery life.