Features: brand new and high quality This is a mini terminal expansion board that is convenient for users to use for Raspberry Pi GPIO. It is very suitable for Raspberry Pi. All 40pins of Raspberry Pi are transferred out by screw terminals, which is convenient for cable access. Does not occupy other space, very convenient when doing DIY circuits. Easy to assemble. Observe GPIO status. Legible miniscule printing of the labels of each of the GPIO pin's function. Avoid friction between the expansion board and the contact surface, and protect the expansion board more effectively. Specifications: Material:PCB+Plastic+Metal Color:Black+blue Note: Light shooting 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. Package includes: 1 x Mini Terminal Breakout Board For Raspberry Pi 1 x Acrylic Pannel 1 x Screw Driver 1 set x Screws