This simple parts kit includes three of the most important accessories for your Raspberry Pi Zero. Because the Pi Zero does not use a standard HDMI connector, a mini HDMI adapter is a must for the Zero. The included adapter measures 35 x 22 x 13mm and works with any standard HDMI cable. The Pi Zero also doesn’t have standard USB A connectors for accessories like Keyboards or Mice, so an OTG cable is required to connect a standard USB device to your Pi. The included OTG Cable measures 6″ in length. Finally, if you want to use the GPIO header, male GPIO pins are required. The included 2 x 20 male header can be soldered to your Pi Zero, giving easy access to all of the Pi’s GPIO pins.