3.66″ overall. Lanyard. Water resistant. Impact resistant. Rechargeable. Clip. NiteLab UHi 25 LED. SMO reflector. 250m beam distance. Tail stand capability. Modes: High (800 lumens, 1h runtime); Mid (300 lumens, 1h 45m runtime); Low (50 lumens, 10h runtime). Modes with AA battery: Mid (200 lumens, 1h 30m runtime); Low (50 lumens, 5h runtime). USB-C charging port. Incorporated temperature regulation. Electronic reverse polarity protection. Requires (1) 14500 battery (included), or (1) AA battery (not included). Aluminum construction. Color: Black. Boxed with hanging tab. Made in China.