4.13 inch overall. SOS strobe. Strobe. Water resistant. Impact resistant. Tailcap switch. CREE XHP35 HD LED. Auxiliary red LED. Modes: Turbo (1800 lumens, 30m runtime); High (850 lumens, 2h runtime); Mid (260 lumens, 4h runtime); Low (65 lumens, 18h runtime); Auxiliary red (10 lumens, 28h runtime). Unibody diecast technology. Metal side switch. Optical lenses with double-sided scratch resistant coating. Tail stand capability. Silent tactical switch. Aluminum construction. Color: Black. Boxed with hanging tab.