Brand new, unopened item. Ships the same day. Please refrain from price negotiations. As this is an unopened item, please contact the manufacturer directly if you encounter any initial defects. We are unable to provide support, so please understand this before purchasing. 500W power inverter that converts DC12V to AC100V. - Brand: Cellstar - Model: PI-500/12V - Input Voltage: DC12V - Output: AC100V 500W/400W/1000W - USB Output: USB1: 2.4A, USB2: 2.1A Please check the product details on the manufacturer's website, etc.