[For Nano]Specially designed for Nano Version 3.0. [Easy to use]This card facilitates the connection between the development board and the external environment. Can be used in combination with pegboard or instead of pegboard. []This board has a smaller size. It provides a beautiful platform for Nano, while preserving the of the Nano. [FULLY ASSEMBLED]The board is fully assembled. No more soldering required. Small tips: it can be used for Nano Version 3.0. However, you can still use this adapter for the older version (you just need to note that A0-A7 is in reverse order). Colour: blue + green Material: plastic + metal Package Contents: 3 * Expansion card for Nano Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.