<p>【ULTRA-LIGHT COMFORTABLE】: The headlamp is super lightweight (only 42g) and compact, allowing you to feel no pressure on your head. The breathable and adjustable elastic headband is perfectly suitable for adults and children, keeping the lamp comfortable and stable on your head, even during running.</p> <p>【SUPER BRIGHT ADJUSTABLE ANGLE】: The brightness of 100 lumens provides visibility up to 60 meters. It can enlarge the illumination area compared to other lamp beads, providing excellent brightness for any night activity. The headlight's beam angle can be adjusted up to 60 degrees with an easy up and down movement, allowing you to illuminate the area where you need it.</p> <p>【USB RECHARGEABLE】: With a built-in 800mAh rechargeable lithium battery, this powerful headlamp provides an illumination time of up to 12 hours (at low brightness setting) or up to 5 hours (at high brightness setting). It only takes 2 hours to be fully recharged via the USB port (USB Cable Included). The LED lamps' lifespan is over 100,000 hours, no worry about replacement.</p> <p>【IPX4 WATERPROOF】: Waterproof headlamp is suitable for indoor and outdoor use, regardless of rain or snow. So you can use it for night reading, dog walking, night fishing, hunting, jogging, cycling, camping, hiking, caving, DIY, night repairing or even in an emergency at home or at work.</p> <p>Product Name: Head-mounted Sensor Headlamp</p> <p>Product Code: KO3</p> <p>Optional Color: Black</p> <p>Product Size: 65MMx40MMx40MM</p> <p>Product Weight: 42g (Built-in rechargeable lithium battery)</p> <p>Shell Material: ABS | PC Material</p> <p>Highlight Power: 500 lumens</p> <p>Waterproof Rating: IPX5</p> <p>Irradiation Range: 10 meters</p> <p>Energy Storage Method: Built-in Polymer Rechargeable Lithium Battery</p> <p>Flash Mode: Highlight | Medium Brightness | General Light | SoS</p> <p>Scope of Application: Night Fishing, Bait Changing | Night Running Sports | Other Night Operations.</p>