5" overall. Clip. Strobe. SOS strobe. Water resistant. Impact resistant. Rechargeable. Modes: Turbo (2000-700 lumens, 1m + 3h runtime); High (1200-600 lumens, 3m + 3.5h runtime); Medium (400 lumens, 5h runtime); Low (130 lumens, 15h runtime); Eco (5 lumens, 300h runtime). USB-C charging port and USB-A output port. Can also be a power bank. 358m beam distance. Requires (1) 21700 battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.