1.The PoE-ETH-USB-HUB-BOX is a HUB kit with PoE/ETH/USB HUB HAT Board and ABS Case. It is designed for Raspberry Pi Zero series (Raspberry Pi Zero 2 W/Raspberry Pi Zero 2WH/Raspberry Pi Zero /Pi Zero W/Zero WH Ethernet/USB HUB HAT Board ), small in size, each cut-out of the case is exactly aligned with the connector. 2.The ABS case adopts classic Raspberry Pi red/white color combination, with quality dull polish surface, effectively keeping the Zero away from dust. By using this small HUB BOX and some proper 802.3af-compliant power sourcing equipments, it is possible to provide both network connection and power supply for your Raspberry Pi Zero in only one Ethernet cable, along with 3x extended USB ports. 3.Incorporates RTL8152B Ethernet chip, with 10M / 100M auto-negotiation RJ45 port. 3x extended USB ports, compatible with USB 2.0 / 1.1. PoE (Power over Ethernet) feature, 802.3af-compliant. Fully isolated SMPS (Switch Mode Power Supply). 4.Angle rounded design, smooth hand feeling, 'simple snap' case lid. Quality ABS material, dull polish surface, anti-fingerprint. Comes with two different lids.