Light up the night with Nockturnal-X lighted nocks, ready to use right out of the package. These nocks deliver an intense red light that lasts for 20+ hours, so it's easy to find the arrow you shot the night before. The waterproof and shock resistant design delivers reliable results, and the piston driven contact switch guarantees L.E.D. illumination with every shot.Our customers reside all across the country and are governed by numerous federal, state, county, city, and municipality regulations for these types of products. Please consult your area’s laws and regulations governing this product and its use.