*Ade Stingray is designed for the smallest and lightest red dot to fit any pistol mount*Ade Stingray created an iron sight curve on the end of the body, also adding two white dots on the curve.*For non-optic ready pistols that need to use an optic plate/adapter to replace the pistol's manufacture equipped rear sight, the ADE Stingray rear blank dot will act as an original factory pistol rear sight for Co-WitnessDesigned to fit any pistol mounting plate/slide/cut that is compatible with Trijicon RMR/SRO, Holosun 407C/507C/508T red dots. Hard coated aircraft aluminum and multi-coated glass. Not plastic body with polymer lens. ADE Stingray RED dot sight is always powered on with automatic brightness. Operates with a single CR2032 3v battery. With our advanced technology the sight only draws approximate 700 microampere powers to give a very long battery life. The brightness will turn high and low accordingly to the environment brightness. 6MOA RED dot One year battery life Weight approximately .88oz/25grams (Length)1.6"e; x (Width)1.1"e; x (Height).93"e; Comes with screws for several Optics Ready handguns. Does not comes with any mounting plate such as picatinny mount or plate made for a specific handgun.