The Lumenok Combo Pack includes 4 Lumenoks, 2 extra Lumenok batteries, and 1 Arrow Puller/Lumenok Extinguisher. Our goal with this product offering is to give the archer or hunter everything he or she needs to have a great Lumenok experience. It includes four Lumenoks so you can outfit your new or existing arrows. It has 2 extra batteries in case you need to replace the batteries in some of your older Lumenoks. And it also has our Arrow Puller/Lumenok Extinguisher which makes turning off your Lumenoks a breeze and pulling arrows out of targets quick and easy.