Want to power your Pi 4 based feeder with PoE? This external unit accomplishes that with the full 4A needed by the Pi 4, along with Gigabit networking capability!
Output 20W max (5V/4A) with 802.3at PoE switch or Injector.
Output 12.5W max (5V/2.5A) with 802.3af PoE switch or Injector.
802.3at compliant POE+ switch or injector highly recommended for Raspberry Pi 4.