100 watts max, converts 220/240 volt to 110/120 volt, built-in grounded Euro/Asian Schuko plug, Heavy Duty for continuous use. Heavy Duty Grounded step down transformer for continuous use. To use North American 110/120 volt appliances in foreign countries with 220/230/240 volt electricity. Converts 220-240 volts down to 110-120 volts. Perfect for use with Home Electronics, Computers, Kitchen Appliances and other Electrical Devices. 100 w watts maximum capacity. Shock proof sockets. North American receptacle: (Unit socket) accepts 2 prong non-grounded or 3 prong grounded U.S. plug. Euro/Asian power cord with Schuko Grounded plug. Dimensions: L - 4.50" x W - 2.75" x H - 3" approx. Weight: 2.5 lbs approx.