The Brother AD9100 power supply is made for compatible Brother P-Touch label printers. Its manufacturer part number, LW5095001, identifies this specific adapter in the AD9100 range and helps match it to a supported printer.
The listing describes a plastic housing and names the PT-3600, PT-9500PC and PT-9800PCN as compatible models. Use it to power one of these printers for label-making. Electrical output ratings, connector details and package contents are not specified.