This versatile controller is specially designed for a wide range of CyberBrick projects, featuring built-in Bluetooth and Wi-Fi. It supports quick connection and disconnection via dual-pin headers, making it easy to switch between different expansion boards. When paired with expansion modules, it enables applications such as remote control toys, 3D printer time-lapse photography, and many more. You can pair this product with either the Remote Control Receiver Shield or the Remote Control Transmitter Shield to as the receiver or transmitter component in RC projects. Additionally, by combining it with the Time-lapse Expansion Board, you can create a time-lapse photography module for 3D printers. Color:Black Material:PCB Package Contents: 1 * Core 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.