Sofirn HS41 Rechargeable Headlamp 4000 Lumens, Stepless Dimmable Headlamp, 325 m Beam Distance, Magnetic Tail Cap, IP68 Waterproof – for Camping, Workshop, Work

Powerful long-range beam: Up to 4000 lumens and 325 m beam distance – strong, far-reaching light for navigation and searching in the dark, ideal for outdoor use, night walks, and work. Flexible brightness control: Stepless dimming (smooth ramping) for precise output – plus a stepped mode (e.g., Moonlight/Low/Medium/High) for quick switching. Signal modes include Strobe/SOS/Beacon. Long runtime: High-capacity 5000 mAh battery – up to 29.5 days in Moonlight mode. Battery indicator (green/red) and an innovative low-battery vibration alert help you recharge in time. Versatile mounting: Comfortable headband for hands-free light; the light body is 180° adjustable for the best angle. With clip for attaching to clothing/backpack straps and a magnetic base for hands-free work on metal surfaces. Intelligent temperature control: ATR automatically adjusts output, reduces brightness as heat rises, and keeps temperature within a safe range for reliable light without overheating. IP68 waterproof for outdoor use.