Description: 3 Modes: This LED headlight has strong light, weak light and strobe light mode. These modes can be switched easily. Rechargeable: Built-in li-battery, this LED head torch allows you to charge it through the USB charging cable, and is convenient to charge. High brightness: This charging headlamp USB can emit bright light which makes night walking, running, jogging safer. Suitable occasions: This LED headlight is a good choice to use while camping, hiking, exploring, working, and so on. Good performance: This LED head torch features daily waterproof and shooting distance of 200-500m, and is portable. Specification: Color: black. Light source : T8/L9. Battery: 1x li-battery/2x li-batteries (built-in). Charging method: USB. Endurance: strong light: 4 hours, weak light: 6 hours.< br>Voltage: 3.7-4.2V. Shooting distance: 200-500m. Waterproof: daily waterproof. Note: There may be a little color distortions due to of different computer resolutions. There may be slight error due to different hand measurement. Package includes: Type 1: 1 piece headlamp (with 1 piece USB charging cable, 1 piece battery). Type 2: 1 piece headlamp (with 1 piece USB charging cable, 2 pieces batteries).