The ETH-USB-HUB-BOX is a HUB kit with ETH/USB HUB HAT (B) Board inside. It is tailored for Raspberry Pi Zero series, small in size, each cut-out of the case is exactly aligned with the connector. This is ABS case with quality dull polish surface,well designed, nice & dust-proof. This HUB BOX will provide RJ45 Ethernet port and more USB capability for your Zero, make it easy to connect the Internet and sorts of USB devices. With 1x RJ45 Ethernet port (Incorporates RTL8152B Ethernet chip), 10/100M auto-negotiation and Three USB 2.0 ports, compatible with USB 2.0 / 1.1 Compatible with Raspberry Pi series: specialized pogo pin connection, for direct connecting with Raspberry Pi Zero/Zero W/Zero WH,dedicated cut-outs for Zero series, plug-and-play Extended ports: 1x RJ45 Ethernet port, 10/100M auto-negotiation and 3x USB 2.0 ports, compatible with USB 2.0 / 1.1 Two different lids, changing as you like : "ple snap" design, easy to change, allows attaching other Zero HATs