6.13" overall. Strobe. SOS strobe. Water resistant. Impact resistant. Rechargeable. SST-40-W LED. Modes: Turbo (1800 lumens, 45m runtime); High (1050 lumens, 3h runtime); Mid (300 lumens, 8h 30m runtime); Low (50 lumens, 48h runtime); Ultralow (1 lumen, 1500h runtime). Compatible with 18650 and CR123 batteries (not included). Tactical and Daily modes. USB-C port. Incorporated advanced temperature regulation. Electronic reverse polarity protection. Double-sided scratch resistant coated lenses. Dust proof. Tactical tail switch. Requires (1) 21700 battery (included). Aluminum construction. Color: Black. Boxed.