The HS407CO is an open reflex optical sight designed for pistol applications. Features include a 8MOA Open Circle, Holosun’s Super LED with up to 50k hours battery life, Solar Failsafe, and Shake Awake.

There are 12 different brightness settings, including dim settings compatible with night-vision devices for nighttime use. Parallax free optical design, with unlimited eye relief.

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.

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