Car DVD built-in rear monitor, 10.1-inch additional monitor Audio IN/OUT available, HDMI and USB ports available Used until removed, the picture was clear Instruction manual included Just connect to Acc and ground It was attached with a tablet holder, but I think it would be more stable to attach it with a general-purpose stay I think it's relatively clean, but it's used, so please judge from the photos Returns are not accepted after purchase Thank you