Manufacturer unknown - Two 7-inch headrest monitors

Left and right headrest monitors, imported from overseas. Color: Beige faux leather. Wiring is included, but the remote control is missing. Fine adjustments such as settings cannot be made. The mounting bracket is adjustable front and back, but the width is fixed. Width: 16 cm. There is only one video input. There are some signs of use, but no noticeable damage. Please check the condition and compatibility.