The Ledlenser H19R Core headlamp is a robust and rechargeable choice for challenging environments, offering superior illumination with up to 3500 lumens and a 300-meter beam distance. It features Ledlenser's Fusion Beam technology, which combines two individually controlled light beams for optimized illumination, allowing for both flood and spot lighting. The headlamp offers four brightness levels, a boost mode, and a flexible beam angle of up to 95 degrees. It is designed for extreme conditions, providing 100% dust protection and water resistance against immersion up to 1 meter for 30 minutes. Integrated battery and charging status indicators ensure you're always aware of the power level. The package includes two Li-ion 21700 batteries and a magnetic charging cable. Additionally, it features a red light LED to preserve night vision, making it ideal for various applications.