The SL Pro 2 offers a 3” 50/50 serrated one-hand opening blade and loud emergency signal whistle. Plus a brilliant white LED flashlight that’s detachable from its sleeve attached to the top of the knife handle. The reverse side of the flashlight is a premium Magnesium Alloy fire starting rod. The flashlight is made of tough anodized aluminum and is waterproof for use in wet environments or shallow immersion.