Smooth action, one-hand opening handle with a loud emergency whistle. 3" Stainless steel razor sharp blade with 50/50 serrations for cutting and sawing. The white LED light is waterproof operated by 4 button cell batteries. Contains a genuine Firesteel® from Light My Fire™. This Swedish fire starter will create sparks even when wet. The top of the handle is a watertight compartment for emergency use.