6.16" overall. Rechargeable. Water resistant. Impact resistant. Lanyard. LED. Modes: High (393 lumens, 2h 30m runtime), Low (21 lumens, 40h runtime), Boost (883 lumens). 134m beam distance. AR coated glass. USB charging cable. Slide-beam flood to spot technology. Full time battery status indication and charge status. Requires (1) 18650 battery (included). Aluminum construction. Color: Black. Clam packed.