TenPoint Alpha Nock Replacement Light Sticks 

• REPLACEMENT LITE STICK - The TenPoint Alpha-Brite Lite Stick is the replacement Light & Battery for the Alpha-Brite Lighted Nock System.
• BATTERY LIFE - The lite sticks have 8-10 hours of battery life.
• COMPATIBILITY - Alpha-Brite Lite Sticks can be used to replace the light & battery on any of the Omni-Brite or Alpha-Brite Lighted Nock Systems. This product is not compatible with the Alpha-Blaze or Alpha-Nock HP Nock/Bushing systems.
• TRACK YOUR POINT OF IMPACT - Upon firing the crossbow, the bowstring activates the lite stick for superior flight visibility.
• DON’T SETTLE FOR LESS - With TenPoint, you are arming yourself with a complete hunting system, including accessories specifically engineered to help you fill your freezer or put one in the record books!