L COM PS1212-POE / PS1212POE (BRAND NEW). Bought new. Never used.

Desktop PoE Injector/Midspan w/ Integral Power Supply, 12VDC @ 12 Watt - PS1212-POE

https://www.l-com.com/power-over-ethernet-desktop-poe-injector-midspan-w-integral-power-supply-12vdc-12-watt