This for Raspberry Pi hub HAT provides more USB capability to your Pi, plus a RJ45 Ethernet port, which is great when you need a stable wired Ethernet connection.It can work with various versions of the Pi, and the size of the board is designed to perfectly fit the Zero / Zero W / Zero WH.3x USB ports, compatible with USB2.0/1.11x RJ45 10/100M port, based on the RTL8152B Ethernet chipOnboard multi indicators, for monitoring the status of power, Ethernet, and each USB port1.Raspberry Pi GPIO interface: for connecting Raspberry Pi2.USB extended ports: USB1~USB33.RJ45 port: 10/100M Ethernet interfaceUSB HUB interface (bottom): for connecting the HUB to the Raspberry Pi USB portRaspberry Pi Zero / Zero W / Zero WH: connected via -USB connectorRaspberry Pi B+ / 2B / 3B / 3B+: connected via -USB cable5.TS8121A: Ethernet wave filter6.RTL8152B: 10/100M Ethernet chip7.FE1.1S: USB HUB chip8.LED indicators:PWR: power indicatorACT: Ethernet indicatorD1~D3: dedicated indicator for USB1~USB3 respectivelyOperating voltage: 5VDimension: 65mm x 30mmMounting hole size: 3.0mmcolor:BlueMaterial:PCBPackage Contents:1 x ETH/USB HUB HAT1 x -USB connector1 x USB Cable1 x RPi screws packOnly the above package content, other products are not included.Note: Light 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.