Raspberry Pi Breakout Board for Raspberry Pi is a prototype board that you can combine your raspberry pi with other components, modules
This product is fully compatible with Raspberry Pi 4 (1GB, 2GB,4GB) and hopes you enjoy hacking with Pi 4 and all of other Pi 4 accessories.
Raspberry pi compatible
Micro USB power supply
Basic Circuit : state indicator light, button and universal transistor（NPN,PNP,N-MOS,P-MOS）
3.3 volt, 5 volt, and ground power rails are easily available anywhere on the board