Rechargeable. Water resistant. Impact resistant. SOS strobe. Modes: Primary white-Turbo (700 lumens, 4h runtime); High (200 lumens, 9h runtime); Mid (60 lumens, 38h runtime); Auxiliary white light-Low (50 lumens, 47h runtime); Ultralow (6 lumens, 147h runtime); Auxiliary red light-Constant-On (13 lumens, 26h runtime); Slow flashing (13 lumens, 50h runtime); Primary white-SOS (700 lumens); Beacon (700 lumens). 135m beam distance. Triple output USB-C rechargeable. Utilizes a unibody optical lens system with various facets. Designed with two buttons different in shape and touch, offering easy one-handed operation. Adjustable headband. Requires (1) Lithium battery (included). PC and aluminum construction. Boxed with hanging tab.