The TP-Link Wall Power Supply T090085-2B1 AC/DC Adapter is a genuine OEM product designed for powering TP-Link routers and other universal devices. With a 1:2 connection split, this adapter allows for powering multiple devices simultaneously. It features a 5.5x2.1mm connector A and a 2-contact AC male US connector B, with an output voltage of 5V and 9V. The black adapter comes with a 5 ft cable length, making it convenient for a variety of power supply needs.