Waveshare 4 Port USB HUB HAT for Raspberry Pi Zero Zero W B Plus 2B 3B 3B Plus  Compatible with USB2.0 1.1 Onboard USB to UART for Pi Serial Debugging

Overview This is a 4 port USB hub for Raspberry Pi, provides more USB capability to your Pi, what's more, it features USB to UART converter for easy serial communication. It can work with various versions of the Pi, and the size of the board is designed to perfectly fit the Zero / Zero W. USB HUB HAT Features 4 USB Ports, compatible with USB2.0/1.1 Onboard USB to UART, convenient for Raspberry Pi serial debugging Onboard multi indicators, for monitoring the status of power, USB to UART, and each USB port Specifications Operating voltage: 5V Dimension: 65mm × 30mm Mounting hole size: 3.0mm