The 30-06 UFO Lighted Nock Tropical Flash in .300 Crossbow Moon Style is designed for superior arrow tracking and visibility. Featuring a blinking series of vibrant LED colorsa; "Red, Blue, Purple, White, and Greena; "these nocks activate upon release for unmatched performance in low light or darkness. Sold in a 3+1 bonus pack, they offer dependable durability and are ideal for bowhunters and archers seeking to enhance shot visibility.