tactical scopes fc1 prismatic red dot sight optics reflex holographic scope for 20mm rail riflescope

cnc-machined from 6061-t6 aluminum,the reticle is designed for performance during the day, offering seven daytime brightness levels, and for compatibility with night vision devices, providing seven night vision brightness levels. optical fc1 prismatic red dot sight offers extreme durability and toughness as well as a short 1.5" footprint on your rail. it is an ideal short-range aiming tool,the optical system offers bright and clear anti-reflection multi coated 1x optics with a virtually unlimited field of view and a brilliant led-illuminated 2 moa red dot reticle. it is virtually parallax- runs on one cr2032 battery, and has an automatic motion-sensitive shut off function that deactivates the illumination after ten hours of inactivity. to help you combat ballistic drop and strong crosswinds, the scope also has generous windage and elevation adjustment ranges of 100 moa..syi