TruGlo Ignite Red Dot Sight Black 30mm Cantilever Mount

30mm multi-coated objective lens has a 2-MOA Red Dot for precise aiming. Features include digital push-button brightness controls, 8 brightness settings, remembers the last brightness setting used when powering back onto sight. Includes a cantilever Picatinny rail mount with standard backup iron sights. Has ?-MOA windage and elevation adjustments. Has a wide field of view with unlimited eye relief. Unit is CNC-machined from aircraft-grade aluminum. There is an auto off feature that preserves the battery life with a 4 hour idle front the last button that was pushed. Is nitrogen gas-filled, includes removable lens cap and 1.5V AAA battery.