Item Type: Step Up Buck Transformer_x000D_Material: Iron, ABS, copper_x000D_Rated Power: 500W_x000D_Frequency: 50HZ/60HZ_x000D_Current: 9A_x000D_Operating Temperature: -5-40_x000D_Input Voltage: AC110-120V/AC220-240V(adjustable input voltage)_x000D_Output Voltage: AC110V/AC220V_x000D_Output Socket Type: One 110V-120V universal socket, one 220V-240V universal socket_x000D_Uses: Widely used and suitable for scientific laboratory, industrial and home electrical equipment, such as hair dryer, juicer, rice cooker, air purifier, toilet lid, electric kettle and so on 1PORTABLE AND PRACTICAL: Machine has a handle at the top, easy to carry, great for size and saves space. Multiple appliances can be used at the same time if the power supply permits 2MULTIFUNCTION CONVERTER: This voltage converter is used to change the voltage, from 110 volts to 220 volts, and can also convert the voltage from 220 volts to 110 volts 3PROTECTION FUNCTION: Come with overcurrent protection, overload protection, overheat protection, short circuit protection, built in grounding protection 4HIGH EFFICIENCY: The use of copper with electrical conductivity higher than the other 50% utilization of transformer, the utilization rate is 80%?90% 5WIDELY USED: Suitable for scientific laboratory, industrial and home electrical equipment, such as hair dryer, juicer, rice cooker, air purifier, toilet lid, electric kettle and so on 1 x Step UpBuckTransformer 1 x User Manual Direct installation and use.