Dagger Defense DDHQ Red Dot Reflex Sight Scope with Quick Detach Mount- Reflex Sight Optic and Substitute for Holographic red dot Sights Comes with quick detach mount for picatinny rail systems Both red and green dot, four position reticles Comes with locking screws for your sighting adjustments APERTURE33mm LENGTH82mm WEIGHT 291g FIELD OF VIEW 15.8m@100m RAILpicatinny 1x Type Red Dot & Green Dot Sight scope, CR1620 Battery- 1x Instruction Manual- 2x Allen Wrench- 1x Lens Cleaning Cloth The DDHQred dot is constructed of aircraft grade aluminum and has fan ergonomic design which saves space on your rail for other accessories. Equipped with a locking set screw to stabilize your sighting adjustments (use only if needed and turn 1-2 times clockwise only) APERTURE33mm LENGTH82mm WEIGHT 291g FIELD OF VIEW 15.8m@100m RAILpicatinny The DDHQincludes:1x Type Red Dot &amp; Green Dot Sight, CR1620Battery- 1x Instruction Manual-Allen Wrench- 1x Lens Cleaning Cloth The DDHQred dot comes in a black finish with a quick detach mount Retical color selector (red or green) Fade adjustment (brighness) Battery compartment for CR1620batter (included)