Easy to install, simply use the screws provided in the package for installation. The shell is designed for Raspberry Pi Zero, with connectors and pins partially exposed. This accessory comes with an HDMI adapter, OTG cable, header pins, and heat sink, making it convenient to use with Raspberry Pi Zero. Compatibility: Compatible with raspberry pi zero 2w/Pi Zero W/ Pi Zero Precise openings: The casing is made of two acrylic pieces, with reserved buttons and power interfaces, providing effective protection without compromising usability.