NDZ Performance Leapers UTG Red or Green DOT CQB Tactical sight Bible Psalm 144:1 Red/green dot sight, 1x magnification, 30mm objective diameter 1000+ High Resolution Permanent Laser engraved images, will not rub off, not painted, custom engraving too - by NDZ Performance Flexible eye relief,1/2 MOA click value @ 100 yds, 38mm tube diameter 4.0 MOA dot, 16.5" field of view @ 100 yds, 25mm exit pupil 3.74" , Includes 2,3V CR2032 batteries, flip-open lens caps, cleaning cloth & manual