This is a junk item. I am selling it because I no longer have the opportunity to use it. Power-on confirmation has been done. The button with the red line in the image does not respond. It sometimes responds and sometimes doesn't, so I think it can be fixed by replacing the tact switch, but I didn't have time to do it. I haven't been able to confirm the output because I don't have the cable. Please understand that this is a junk item before purchasing. I hope it will get into the hands of someone who can repair it. I will accept price negotiations.