You are purchasing a Shunhong SHJZB-2000VA Step-Up Voltage Converter Transformer in very good condition. The 

Foshan Shunhong SHJZB-2000VA

 is a high-capacity voltage converter designed to bridge power differences between different electrical standards. While the specific model suffix "SHJZB" is often part of a broader series including SHJY and SHJZ models, these 2000VA units are typically used for either step-up (110V to 220V) or step-down (220V to 110V) conversion to power international appliances like rice cookers, hair dryers, and air purifiers. Please refer to the pictures that were just taken of the actual item. If you have any questions, please feel free to ask.