Automatically inflates upon immersion in water or when the wearer pulls the ?Jerk to Inflate? handle. Equipped with back-up oral inflation. Convertible from AUTO/MANUAL inflation to MANUAL ONLY inflation. Provides comfort, safety and peace of mind without knowing you have it on, until you may need it. U.S. Coast Guard Approved Type V Life Jacket / Personal Flotation Device (PFD) with Type III Performance.