Breakthrough technology for foolproof conversion of 220V foreign electricity to 110V. Automatically selects low setting (0W to 49W) for electric shavers, battery chargers, etc. or high setting (50W to 2000W) for irons, hair dryers, etc. Solid state circuitry with high and low wattage indicator lights. Circuit breaker reset button to correct accidental overloads. Set includes 5 polarized adapter plugs and a zippered travel pouch.