SpecificationName: rechargeable high power headlampMaterial: ABS Light source: LED yellow/white lightRated power: 5WWaterproof grade: IP31Number of lamp beads: 40Battery: 2400mAhProduct size: 102 * 92 * 80 mm / 6 * 3.6 * 2 inchesProduct DescriptionSUPER BRIGHT: Equipped with a high-brightness wick that clearly illuminates your forehead. The headlamp also features a deep aluminum cup that reflects light better than ordinary plastic.CHARGE INDICATOR: The headlamp comes with a 4-cell bright blue charge indicator for you to check the battery level. The light is fully illuminated when the battery is full and blinks when charging. Please be sure to charge the headlamp with 25% of the remaining battery power to avoid damage to the battery.POWER FUNCTION: The headlamp has 2 built-in 1200mAh batteries, which can be used to charge your cell phone at any time in outdoor emergencies.Dual-speed dimming: The headlamp has a dual-speed dimming function, which can be switched between strong light and low light modes, suitable for a variety of scenarios.LIFETIME WATERPROOF: The super bright rechargeable high power headlamp has a lifetime waterproof function, which can easily deal with bad weather.WIDELY USED: The headlamp can be used for a variety of outdoor activities, such as caving, running in the dark, camping under the stars and so on.Constant Battery Life Test:Two built-in 1200 mAh batteries last 7 to 10 hoursProduct List:Headlamp * 1Charging cable * 1Headband * 1