Features: 1. 100% Brand New And Super Fine Quality. 2. The Item Is A Terminal Expansion Adapter, Working Very Well For Prototyping Ar-Duino Nano Projects. 3. It Provided A Nice Platform For Wiring Circuits To Ar-Duino Nano. 4. It Can Connect A Large Number Of Digital Lines To Ar-Duino While Maintaining The Footprint Of The Original Nano 5. You Can Use This Adapter To Easily Hook Up Ar-Duino Nano To An Outside World Via Hook Up Wires, And It Can Be Used In Conjunction With Or In Place Of A Breadboard. 6. If You Have Any Problem, Please Contact Us As Soon As Possible. Specifications: Material: PCB Color: As Shown Size: As Shown (1inch=2.54cm) Package Included: 1Pc NANO 3.0 Controller Expansion Board. Note: 1. Due To The Different Monitor And Light Effect, The Actual Color Of The Item Might Be Slightly Different From The Color Which Is Showed On The Pictures. 2. Please Forgive 1 Cm/0.39"-3 Cm/1.18" Measuring Deviation Due To Manual Measurement.