This kit includes USB OTG Host cable, 2x20 Male header strip, 2x20 Female Header, 2x20 Female Header (right angle), Mini HDMI-compatible to HDMI-compatible Adapter, GPIO kit and Adafruit Pi Zero Enclosure. The Raspberry Pi Zero is a simplified Raspberry Pi version, so it also streamlined the USB, HDMI-compatible, GPIO interface, with this kit we can expand the interface.