Feature: 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 Specification: Item Type: AC Transformer Rated Power: 1000W Input Voltage: AC110V 220V(adjustable) Output Voltage: AC110-120V, AC220-240V, 60Hz Output Socket Type: 1 Universal socket, 1 US plug 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). Package List: 1 x Voltage Transformer 1 x Power Cord 1 x User Manual