Feature: 1. PORTABLE AND PRACTICAL: Easy to carry, great for size and saves space. Multiple appliances can be used at the same time if the power supply permits 2. MULTIFUNCTION VOLTAGE 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 3. PROTECTION FUNCTION: Overcurrent protection, overload protection, overheat protection, short circuit protection, built in grounding protection 4. HIGH EFFICIENCY AND RELIABLE: The use of copper with electrical conductivity higher than the other 50% utilization of transformer, the utilization rate is 80%‑90% 5. WIDELY USED: A wide range of applications 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 Specification: Item Type: Step Up Buck Transformer Material: Iron, ABS, copper Rated Power: 300W Frequency: 50HZ/60HZ Current: 9A Operating Temperature: -5℃-40℃ 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. Package List: 1 x Step Up Buck Transformer1 x User Manual Note: Pay attention to electricity safety.