Instant purchase is welcome. This is an adapter that converts AC 100V to DC 12V, providing a reliable power supply with an output of 400mA. - Model: OCA-2 - Input Voltage: AC 100V 50/60Hz - Output Voltage: DC 12V - Output Current: 400mA - Plug Type: 2-pin plug Functionality has been confirmed, and the item has been cleaned with disinfectant wipes and packaged in a crystal pack. It will be further wrapped with cushioning material for shipping. *(Please understand this is to prevent damage and water damage.)* There may be some dirt and scratches that could not be removed during cleaning. This is a used item, so I would appreciate it if those who understand this would purchase it.