Powerful and Waterproof Rechargeable LED Headlamp with 5 Adjustable Modes-【ULTRALIGHT & COMFORTABLE›: The colorless headlamp is super lightweight (only 45g) and compact (2.4 x 1.2 x 1.3 inches), so you won't feel any pressure on your head. The adjustable, breathable elastic headband is perfect for adults and children, keeping the light comfortable and stable on your head, even while running. 【SUPER BRIGHT ADJUSTABLE ANGLE】: The 200 lumens of brightness provide visibility up to 100 meters. It can widen the illumination area compared to other lamps, offering excellent brightness for any nighttime activity. The lighthouse's beam angle can be adjusted up to 60 degrees with an easy up or down movement, allowing you to illuminate where needed. 【USB RECHARGEABLE】With a built-in 800mAh rechargeable lithium battery, this powerful headlamp provides up to 12 hours of lighting time (on low brightness) or up to 5 hours (on high brightness). It only needs 2 hours to fully charge via the USB port (USB cable included). The LED lamp's lifespan is over 100,000 hours, so you don't have to worry about replacement. 【5 LIGHTING MODES MEMORY FUNCTION】Equipped with 5 lighting modes - WHITE BEAM: Strong, Medium, Weak; RED BEAM: Steady, SOS in case of emergency. The last used lighting mode does not need to cycle through other lighting modes. When the light is on in a specific mode for more than 4 seconds, the smart timer function allows you to turn the light off with just the press of a button. 【IPX4 WATERPROOF】 The waterproof headlamp is suitable for indoor and outdoor use in any weather, whether it rains or snows. So you can use it for reading at night, walking dogs, fishing at night, hunting, jogging, cycling, camping, hiking, caving, DIY projects, nighttime repairs, or even in case of an emergency at home or work.