Low wattage international electricity transformer, converts 220/240v to standard 110/120 for foreign travel. For electronic appliances up to 50w. Insulated pins for safety. Safe for battery chargers, portable electronic devices, cell phones, MP3 players, electric shavers, etc. Allows 110/120V U.S. appliances to work on 220/240V foreign electricity Safe for long-term use/charge with appliances rated 0-35 watts Thermal fuse provides temperature protection