Our handy little pocket pen light is designed to conveniently accompany you throughout your day, and reliably assist you with your daily tasks. Its powerful features make it a valuable tool to have on hand: a small but mighty half watt LED with a 35 lumen beam, a rubber bite grip which makes for convenient hands-free use, and a focusing head that allows for adjustable lighting, Comes in four colors. Uses one AAA alkaline batteries, which is included with your purchase!