ITA combat dot sight 1x magnification 26mm objective lens diameter 30mm tube Red or green illuminated dot (dot is black when not ill.) 4 MOA dot 1/2 MOA (1/2" click value @ 100 yds) Windage/elevation adjustments Unlimited parallax adjustment 70' field of view @ 100 yds Flexible eye relief 22mm exit pupil 5.6 oz. 3.94" long Incl. flip-open lens covers, 3V CR1620 lithium battery, Allen wrench, hex screw, quick-detach low Picatinny mount, riser, manual and cleaning cloth Other features: True Strength platform Variable brightness levels Instant lock-on target feature High-tech emerald coatings A dot sight helps you get more accuracy from your gun. Attach this UTG red-green dot sight to your favorite air rifle, air pistol, airsoft gun, firearm or shotgun and see the results downrange. The quick-detach Picatinny mount lets you quickly move this dot sight from gun to gun. Use the riser to adapt the sight to any shooter preferences.