The Power-over-Ethernet (POE) Module offers a convenient and cost-effective way to deliver power to your device.The module allows you to put a DC voltage onto specific pairs of the Ethernet cable so that devices connected to the network can use it as a power source.The module is perfect for any space limited PoE applications such as IP cameras, biometric readers, RFID, wireless access points, HDBaseT extenders, VOIP phones, networked audio etc.It's tiny size is a perfect match to the Raspberry Pi 4B and 3B+ in IOT and building automation applications. It is ultimate power solution for Raspberry Pi 4B/3B+.It delivers clean and reliable power to the latest Pi 4.Easy to assemble.Compatible With: Raspberry Pi 4 Model B / Raspberry Pi 3 Model B+Built-in Cooling FanSupport IEEE 802.3af or 802.3at PoE standardInput: IEEE 802.3af Compliant PoEOutput: 5V +-5% up to 2.5A*Protection Circuitry: Transient Overvoltage, Undervoltage Lockout, Thermal Shutdown, Foldback Current LimitingActive airflow and adequate cooling required for stable continuous operation at high load.Material: plasticcolour: As shownPackage Contents:1 x POE power supply module(Label random, don't accept the specified Label.)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.