The NcSTAR Micro Green Dot optic is the newest edition of the micro dot sight line from NcSTAR. This sight features a fixed brightness with an on off switch. the size of this optic makes it easily mountable as a secondary optic, or as a primary optic on platforms where a low profile sight is required, like many AK style guns. The optic manufactured from high quality anodized aluminum. The sight is powered by one (1) CR2032 (included).