Watangtech PoE Fan HAT C for Raspberry Pi 5, IEEE 802.3af/at PoE Power + 0.87" OLED Display, Adjustable Speed Fan (Up to 9000 RPM) with Metal Heatsink, 5 V Output up to 22.5 W, 40-Pin Plug-in HAT

Single-cable PoE power + network: Works with IEEE 802.3 af/at compliant PoE switch/router to power Raspberry Pi 5 via Ethernet. ^^ Stable 5 V output up to 22.5
W: PoE input 37-57 V converted to 5 V output; rated 22.5 W (5 V/ 4.5 A), up to 5 V/ 4.9 A in extreme conditions. ^^
Active cooling + metal heatsink: High-speed adjustable fan (up to 9000 RPM) plus included metal heatsink for stronger heat dissipation. ^^ 0.87"
OLED status display (I2C): Shows CPU temperature and IP address; default OLED I2C address 0x3C for easy integration/testing. ^^ Easy plug-in 40-pin
HAT + example code: Plugs directly into the Raspberry Pi 40-pin header; provides example programs and supports boot auto-start via systemd.