FireKingdom Waterproof Outdoor 1600L LED Bike Bicycle Hiking Headlight Head Light Headlamp for Camping, Backpacking, Hunting, Fishing, Auto Emergencies, and Home Repair ,Black Material: Aluminum, Glass, Plastic;Color: Black Extensive Lifetime of LED (100,000 hours) LED This head lamp has low power consumption and can also keep working for a long time Battery Configuration: 4 x Combined 18650 Lithium Battery Pack or 3 x AAA Batteries (Not Included) Package Includes:1 x Headlamp,1 x Charger,1 x Adjustable Headband