Features:This is a metal case- kit for Raspberry Pi 4B Only. It contains a GPIO terminal board which can expand the GPIO to terminal and with the 40Pin cable wire socket outside the case- With the LED indicator can shows the GPIO working status during the GPIO Pin working. For Raspberry pi 4B GPIO light board expansion board and shell kit. Note:for Raspberry pi 4 board is not included! Specifications:Item:Metal Case- KitFor :Raspberry pi 4B GPIO Light Board Expansion BoardSize:approx 88x62x33mm/3.46x2.44x1.29inMaterial: Metal Note:for Raspberry pi 4 board is not included!Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. Package includes:1 x Metal -Case 1 x Terminal Expansion Board with LED indicators1 x Screw Driver1 x Terminal Pinout Sticker4 x Copper Pillars4 x Screws4 x Aluminum Heatsinks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.