5.75” overall. SOS strobe. Strobe. Water resistant. Impact resistant. Rechargeable. Clip. CREE XHP50.2 LED. Modes: High (2500 lumens, 2h 15m runtime); Medium (500 lumens, 8h runtime); Low (15 lumens, 60h runtime). 185m max beam distance. Type-C charging cord. Multi-function DUO switch. Requires (1) 21700 battery (included). Aluminum construction. Color: Black.