HOLOSUN30MM TUBE RED DOT SIGHT - 2MOA DOT & 65MOA RING•Designed for day and night use •New advanced technology LED allows up to 50000 hours of operation on one CR2032 battery •2 MOA dot with a 65 MOA ring •Reduced training time and ammunition •Unlimited field of view •Parallax-free with unlimited eye relief •Multi-coated lenses •6061 aluminum housing •Unaffected by extreme weather conditions •Durable and reliable construction •Black •9.52 oz.