The Axeon® 3XRDS Dot sight is not your average red dot. Nor is it your average green dot. The Axeon® 3XRDS Dot sight has three color options, red, green, and blue with three brightness setting per color to allow you to adapt the sight to your vision and the various lighting conditions you may find yourself in. The Axeon® 3XRDS Dot Sight easily mounts to standard Picatinny rails, has a generous 30mm 1x field of view and a 5 MOA dot size.