Alonefire HP36 Tactical USB Rechargeable LED Headlamp Flashlight 4000 Lumen IPX5 Waterproof Zoomable 3 Mode for Camping… Price: $21.99 (as of 10/20/2021 11:48 PST- Details)

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Uses XHP50 LED as light source, up to 4000 lumens, which have 3 lighting modes(High-Low-Strobe). With rear red light for safety
Support USB charging function, you can charge it through the computer, power bank, car, and power adapter, it’s very easy and convenient