Trijicon RMR Type 2 FDE RM06. This is a great looking optic. My issue is that the dot seems a bit blurry to me. I know Trijicon has a lifetime warranty, but I have a replacement already and rather just sell. I’ll have battery for you to test it and look for yourself. I will only meet in Cypress because I don’t want someone to “flake” on me on this one. My number is (909) 549-9246.