Raspberry Pi Stack HAT I/O expansion kit 5 sets of 2x20 pinheaders Stacks Max of 5 HATs

Brand Name: Waveshare
Demo Board Type: ARM
Model Number: Stack HAT
Feature 1: Standard Raspberry Pi connectivity
Feature 2: 5 sets of 2x20 pinheaders, connect multi HATs together
Feature 3: USB external power port, provides enough power supply for multi HATs
Feature 4: Clear and descriptive pin labels for easy use