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. Light: is waterproof with white LED light operated by 4 button cell batteries. Fire: Contains a genuine Firesteel® from Light My Fire™. This Swedish fire starter will create sparks even when wet. Mini: Same as Light only w/ 2" non-serrated blade.