Voltage transformer (110V to 220V OR 220V to 110V)We provide you a safe, dependable, stable, cost-effective & easy solution to converting voltages.Step up 110V/120V to 220V/240V or step down 220V/240V to 110V/120V (Switch is on the back of the unit) Multi-functionThe Voltage Converter Transformer can be used with any kind of appliance or device up to 600 watts, like CPAP Machine, Electrical toothbrush , Hair Straightener, Laptop, Mobile phones, Curling Irons, Heating Pad, Television, Xbox, etc. Multiple Sockets: 4 AC outputs, 2 US Standard Socket for 110-120V appliance(s) & 2 Universal Sockets accept all types of plugs except the Big South African plug for 220-240V appliance(s).The transformer can be used in countries which voltage are 90V125V or 180V250V such as US, EUR, UK, JP and more.NOTEThe transformer is equipped with an US power cord, if used in other 220V-240V country you MUST need a plug adapter or local power cord. Noteproduct Size: 8×6×6 (in), Net We