Compatibility Assurance: Unsure if this expansion board will fit your Arduino R3? Please reach out to us before ordering to confirm compatibility, ensuring a seamless integration with your existing setup. Condition: This Screw Shield V2 Study Terminal Expansion Board arrives in pristine condition, reflecting our commitment to quality and customer satisfaction. Each unit is meticulously crafted from superior materials, enhancing durability and performance. User-Friendly Installation: Designed with simplicity in mind, this expansion board features a straightforward installation process. Clear instructions are included, allowing both novices and experienced users to set up the board quickly without any hassle. Robust Material Construction: Constructed from high-quality materials, this expansion board is built to last. It withstands regular use and maintains optimal performance, making it a reliable addition to your Arduino projects. Color: As Shown Material: ABS Package Contents: 1 pair *Study Terminal Expansion Board 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.