The Duracell 400 Lumens Headlamp 3 Pack is a powerful and reliable lighting solution for outdoor activities like camping and hiking. With a beam distance of up to 55 meters and an operating time of more than 10 hours, these headlamps provide bright and long-lasting light. The waterproof design ensures durability in various weather conditions, while the inclusion of batteries and multiple modes make them convenient and versatile for any adventure. Made of aluminum and plastic, these headlamps are both lightweight and durable, making them a practical choice for those who need a reliable headlamp for extended periods.