PiKVM is a very powerful and Open Source Software which allows for a remote connection via your for to turn on/off or restart your computer, configure the UEFI/BIOS, and even reinstall the OS using the Virtual CD-ROM or Flash Drive. You can use your remote keyboard and mouse or official KVM OS platform based on for can a keyboard, mouse, and a monitor, which are then presented in a web browser as if you were working on a remote system directly. It's true hardware-level access with no dependency on any remote ports, protocols or ! Compatiblity: for use with Zero 2W only, NOT support for 3 or Pi 4 or Pi 5. The PiKVM-A4 is composed of follow parts:X630 to -2 Board (for video capture) X630-A4 HAT Board (for ethernet, RTC, ATX Control power in etc) X630-A5 Adapter Board (it is installed inside the PC case, and it connect the computer motherboard and IO panel cabe of PC case)) 0.96 inch OLED (for display, Resolution: 128x64 pixel) Ethernet Cable (/EIA-568.B connection, and it's ATX control signal cable) How to Power (For X630-A4 V2.0) Power Input: 5.1Vdc +/-5% , equal 3A (Power Via Micro-USB port of Zero 2W) (For X630-A4 V1.1) Power Input: 5.1Vdc +/-5% , equal 3A (Power Via USB Type-C port of X630-A4 V1.1) How to Cool The KVM-A4 V2.0 (X630-A4 V2.0) does not support C296 aluminum heatsink installation, please use heatsink for the CPU of for Zero 2 W. For use with zero 2 w, X630-A4 V1.1 (KVM-A4) allows to use C296 aluminum heatsink with your for Zero 2 W, but user need to prepare 4pcs M2.5x7mm screws yourself. User Manual:..com/PiKVM-A4 Colour:Black Material:PCB+electronic components Package Contents: 1 x PiKVM-A4 kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.