• FUSION BEAM: Individual flood and spot beams combine to provide incredible illumination. CONSTANT LIGHT OUTPUT: Constant light output means your headlamp will maintain a more consistent level of brightness. 3500 lumens (boost), 1600 lumens for 4 hours (high), 800 lumens for 7 hours (medium), 200 lumens for 20 hours (low). SMART FEATURES: A three-way switch offers intuitive light adjustments, a red light to preserve light vision, and a swiveling lamp head. WATERPROOF AND TOUGH: An IP68 rating means your headlamp can be submerged up to 1.5 meters underwater for 30 minutes. Drop proof to 1.5 meters. Backed by Ledlenser's 7-Year Warranty. LEDLENSER CONNECTING SYSTEM: A range of accessories (sold separately) allow for a multitude of mounting options and even Bluetooth compatibility.