PATENTED TECHNOLOGYExclusive patented linear switch design works every time, no wires of connections, simple bowstring activated push on switch, easily switches off when done, extended burn time of 20+ hours, waterproof and shock resistant for use in any conditions. See your arrow impacts under any light and find your arrow on pass thru shots. Piston driven contact switch ensures L.E.D. illumination every time. | SUPERIOR ILLUMINATIONNockturnal is the leading designer and manufacturer of lighted nocks for arrows and crossbow bolts. Nockturnal’s unique, patented, string-activated, linear switch with piston-driven assembly ensures activation of the LED bulb every time. Nockturnal lighted nocks feature super-bright LEDs and long-life lithium batteries for superior illumination that lasts. Shoot it at dusk with 20+ hours of battery life. | INDUSTRY LEADERAvailable in a wide variety of sizes and configurations that fit nearly any size arrow or shaft, these specialty nocks perform with exceptional accuracy when shot from both vertical and crossbows. Nockturnal lighted nocks blaze down range with extreme brilliance with a wide spectrum of color options and offered as either constant single-color light emission or with dual-color strobing options on select models. |