5.5'' overall. Tailcap switch. Water resistant. Impact resistant. Rechargeable. Strobe. Modes: Flashlight-High (850 lumens, 4h runtime); Flashlight-Low (90 lumens, 16h 30m runtime); Task light white-High (230 lumens, 4h 30m runtime); Tasklight white-Low (25 lumens, 45h runtime); Tasklight red-High (7.5 lumens, 27h runtime); Tasklight red-Low (0.8 lumens, 240h runtime); Tasklight-Signal (7.5 lumens, 75h runtime). Magnetic bracket for hands-free use. Requires (1) Lithium battery (included). Clam packed. May not ship to Australia. May not ship Post Office.