DC-DC converter that converts 24V to 12V, with a maximum output of 8A, ideal for 4WD vehicles and camper vans. Operation not confirmed. Manufacturer: Cellstar Industry - Model: DC-DC Converter DC-508 - Input Voltage: 24V - Output Voltage: 12V - Maximum Output: 8A - Application: For 4WD vehicles and camper vans All items shown in the images are included. The item has been stored for a long time, and the packaging may be dirty. There are no noticeable scratches on the main unit. Please understand that we have not been able to check the usage frequency or confirm the operation, so please purchase only if you understand this. (Because there is no way to check the operation) I am a novice, so I do not know the details. Thank you for viewing.