4.18" overall. Lanyard. SOS strobe. Water resistant. Impact resistant. CREE XP-L HD V6 LED. Lipstick shaped design with integrated retractable diffuser. Can be used as a lantern and flashlight. Modes: Turbo (1000 lumens, 1h runtime), High (230 lumens, 6h runtime), Mid (60 lumens, 24h runtime), Low (1 lumen, 900h runtime). 166m beam distance. Reverse polarity protection. Magnetic base and tail stand capability. Requires (1) 18650 battery (not included), or (2) CR123A batteries (not included). Aluminum construction. Color: Black. Boxed with hanging tab.