Brand new in box red dot reflex holographic gun scope/sight. Features include 33mm reflex lens aperture for wide field of view, multi reticle (4 patterns) or Variable dot (4 sizes), Allen head screw for adjustments with locking screw, Built in integrated rail for standard dovetailed bases, waterproof, shockproof, low power consumption for longer battery life. Contents: 1x 3V lithium battery 1x allen key for adjustment 1x lens protector 1x instructions Photo is a demo model the one you buy will still be in unopened bubblewrap