Truglo Ignite With Cantilever Mount 30mm 2 MOA Green Dot Black. It utilizes digital push-button brightness controls 8 brightness settings and remembers last used brightness settings. The red dot is constructed of aluminum with nitrogen filled glass Cantilever rail mount and removeable lens cap. Specifications for Truglo TG8335GN Ignite With Cantilever Mount 30mm 2 MOA Green Dot Black: Manufacturer: TruGlo Finish: Black Magnification: 1 x Objective Lens Diameter: 30 mm Reticle: Green Dot Brightness Settings: 10 Eye Relief: Unlimited Emitter Type: Enclosed Battery Type: AAA Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Package Contents: Truglo TG8335GN Ignite With Cantilever Mount 30mm 2 MOA Green Dot Black Truglo TG8335GN Ignite With Cantilever Mount 30mm 2 MOA Green Dot Black