Feature 1HIGH BRIGHTNESS: The headlight adopts ultra strong high power lamp beads with high brightness, ensuring a wide range of lighting. 2LITHIUM BATTERY: Equipped with an external 3.7V lithium battery, with a large capacity of 1800mAh, which can provide long term lighting. 3WEARABLE DESIGN: The lithium battery work light is wearable design, allowing users to free up their hands to work while illuminated. 4CHARGING FUNCTION: This headlight has battery level display, with data cable, can be used to charge electronic products such as cell phones. 5PORTABLE SIZE: The lighting lamp has a compact size, which is easy to use and carry, and suitable for outdoor exploration, mining, etc.Item Type: HeadlampMaterial: Aluminum Alloy, PlasticBattery: 1 x 1800mAh 3.7V TD20 lithium battery (includebattery) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Headlamp1 x Battery1 x Data Cable