ULTRAFIRE 220 Lumen H1d Q5 CREE LED Headlamp uses CR123a Use as headlamp or stand alone flashlight Waterproof, Crush Resistant Design for outdoor use 220 Lumen CREE Q5 LED Headlamp Built in Belt clip for shirt pockets, belts, inside pocket or clip on backpack Adjustable Headband for easy fitting (hat not included)