1、MULTIPLE FUNCTIONS: 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 2、SUPPORT MULTIPLE DEVICES: Step up buck transformer has a universal interface, can support a variety of power outlets; You can use multiple devices at the same time, as long as the power supply allow, save your space and time 3、ALL ASPECTS OF PROTECTION: The converter has overcurrent protection, overload protection, overheat protection, short circuit protection, built in grounding protection and other protection functions 4、APPLICABLE SCENARIO: Buck boost step up transformer is suitable for a wide range of electrical equipment in scientific laboratories, industry and homes 5、CONDUCTIVE MATERIAL: This converter is made of copper and has a higher conductivity of 80% to 90% than the other 50% utilization rate, giving you a better choice Item Type: AC Transformer Rated Power: 1000W Protection Mode: Overload protection Overheat Protection: 95℃ Power Factor: 0.8 Power Phase: Single phase Moisture Protection: Open type Cooling Method: Natural cooling Frequency Characteristics: Low frequency Iron Core Shape: Toroidal Application: Suitable for various electrical equipment in science laboratory, industries, and homes, suitable for appliances with inductive loads(such as people fans, mini air conditioners, industrial fans) 1 x Voltage Transformer 1 x Power Cord 1 x User Manual