POE Fan HAT D for Raspberry Pi 4B/3B+ – IEEE 802.3af/at Power Over Ethernet with OLED Display & Adjustable Cooling Fan - LLidgermal

• ✅ Dual-Purpose Power & Cooling – This Pi PoE HAT delivers Power Over Ethernet (IEEE 802.3af/at compliant) while keeping your Pi cool with a high-speed adjustable fan for optimal performance. 📊 Real-Time System Monitoring – Features a 0.87-inch OLED display to show CPU temperature, IP address, and other critical data, making it perfect for Raspberry Pi 4B/3B+ projects. 🌡️ Advanced Heat Dissipation – The high-speed cooling fan prevents overheating, ensuring stable operation for Raspberry Pi 4B/3B+ even under heavy workloads. 🔌 Plug-and-Play Installation – Designed for the Raspberry Pi 40P expansion interface, this PoE expansion board installs in seconds—no extra wiring needed! ⚡ Reliable & Efficient Power – Supports 5V/12V output (max 24W) with isolated switch-mode power design, ensuring safe and stable Ethernet power supply for your Pi.