Description 1.It is compact, easy to use and carry. Adjustable headband, in line with ergonomic design. 2.Built-in lithium battery, it is not necessary to change the battery frequently, only the charging by USB cable, so easy to use. 3.The headlamp is equipped with an adjustable base, tilted forward and backward. 4.For easy use in all situations, such as running at night, reading Camping, hiking, hunting, walking your dog, running, fishing, hunting, cycling, DIY Work, emergency or any outdoor activities 5.Water resistant: can be used on rainy days (but not in water). Material: aluminum alloy + ABS Maximum range: 50-100 meters Power supply: built-in 1200 mAh lithium battery Size: 8CM*4CM*2.5CM Light bulb: XPE COB