SOS strobe. Rechargeable. Water resistant. Impact resistant. Modes: White-Turbo (1400 lumens); High (600 lumens, 10h runtime); Mid (300 lumens, 15h runtime); Low (100 lumens, 29h runtime); Ultralow (8 lumens, 165h runtime); Red Light-Constant-On (10 lumens, 66h runtime); Slow flashing (10 lumens, 90h runtime). 130m beam distance. Stamped aluminum alloy front housing with PC plastic rear housing. Skin-friendly wider headband. USB-C charging port. Requires (1) 18650 battery (included). Boxed with hanging tab.