Feyachi V90 2 MOA Red Dot Sight Shake Awake WaterproofAbout this item High Definition Field View25mm large diameter objective lens with multi coated lenses, with stronge light transmittance, cleaner and brighter in the visual effect of the presentation, the field of view is more clear and open, 2 MOA parallax range can be more accurately,fast observed when aiming and capture the target. Shake AwakeAfter about 8 minutes of stationary state, the red dot will enter a dormant state, the light will