[GPIO Terminal Expansion Board]Compatible with Raspberry Pi 4B, 3B, 3B+, 2B, and Zero series.[Intuitive and Practical]This GPIO terminal expansion board extends the 40-pin headers of the Raspberry Pi. The right side of the board features clear silkscreen labels and LED indicators for enhanced usability.[High-Quality Expansion Board]The left side of the board is equipped with 4 sets of terminal blocks. The secure screw terminals ensure Dupont wires remain firmly connected and prevent accidental dislodging.[Easy Operation]Color-coded LEDs indicate the status of the pins-whether they are active or inactive-allowing users to quickly identify the state of different types of pins.[Dual Wiring Options]Wiring can be done either via the terminal blocks or the pin headers. The board includes dedicated openings for ribbon cables, simplifying the wiring process.Color: As ShownMaterial: ABSPackage Contents:1*GPIO Expansion Board Module1*Screws Kit1*ScrewdriverOnly 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.