Features: brand new and high quality The PoE/Eth/Usb hub hat is a PoE (Power over Ethernet) usb hub hat designed for Raspberry Pi Zero. By using these 802.3af-compliant power sourcing equipments, it is possible to provide both network connection and power supply for your Raspberry Pi in only one Ethernet cable, along with 3x extended USB ports. 3x extended USB ports, for USB 2.0 / 1.1 PoE (Power over Ethernet) feature, 802.3af-compliant Incorporates RTL8152B ethernet chip, with 10M / 100M auto-negotiation RJ45 port Fully isolated SMPS (switch mode power supply) Specifications: POE Power Input: 37V ~ 57V for DC in Power Output: 5V 2.5A for DC out Network: IEEE 802.3af-compliant PoE Dimensions: 23.10 65.00 mm/0.9x2.55in Note: Does not include Raspberry-Pi Zero board. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1x PoE/Eth USB HUB HAT 1x USB HUB Board 1x Screws Pack 1 x Screwdriver