Features:Constructed from polished TC4 Titanium alloy for durability and aesthetic appeal.Biocompatible, making it non-toxic to humansCorrision resistant, sturdy and durableUni-body construction, portable and extremely light weight, 4.7gMax 120dbUtilizes a precision Telfon resonator, high/slow tempertaureSize 52 x 7 x7mm
Package Includes (with original box packaging):Nitecore Whistle x1Operation Manual