Push-button activation lets you choose between green, red, or black reticle settings One battery yields up to 5,000+ hours of service; Black reticle is etched onto the prism, so you can use the optic even without battery power Easy-to-see reticle hash marks offer trajectory compensation to 600 yards Lens coatings are maximized for glare resistance and low-light operation, and the sight is night-vision compatible Hand-fitted to the tightest, shock-resistant tolerances; Waterproof and fogproof; Includes tethered caps and flip-up lens covers