Product details:

If an electrical current fluctuates, the portable GFCI will activate a kill switch that shuts off power automatically. Take a look at the features for Power First Plug-In GFCI with Cord. Amps: 15, Number Of Poles: 2. Features - Number of Wires: 3Reset Type: Automatic - Cord Length: 2.0 ft. - Amps: 15Self-Testing: No - Gauge/Conductor: 12/3Voltage Rating: 125VACNEC Cord Designation: SJTWHz: 60Enclosure Rating: Outdoor - NEMA Receptacle Configuration: (3) 5-15ROutlet Configuration: 3 Outlets - Material: polycarbonate