6.25'' overall. Water resistant. Impact resistant. Rechargeable. Strobe. Modes: High (1600 lumens, 2h 15m runtime); Medium (240 lumens, 6h 30m runtime); Low (25 lumens, 60h runtime). 110m beam distance. 120dB electronic whistle with 360 degree sound output. Nano ceramic window breaker. USB-C direct charging. Independent switch design. Metal buttons. Magnetic tail cap. Requires (1) 18650 battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.