The Liteband® 520-Lumen LED Beanie delivers 520 lumens of 210° wide-beam, ultrabright light with a warm and breathable fleece-lined cap. 5 modes (high, med, low, red, and pulse) let you adjust to any situation. Weatherproof IPX2 rating stands up to the elements. A slim, lightweight battery pack sits comfortably in the back, and 3 AAA batteries power the headlamp for up to 26 hours on low or up to 6 hours on high. Liteband strip and battery pack.  One size fits most.