Features: CAN-BUS is a universal industrial bus with long transmission distance, medium speed, and high reliability. It is common in modern machine tools and as a diagnostic bus for automobiles. This CAN-BUS module use MCP2515 CAN bus controller, SPI interfaces, and MCP2551 CAN transceiver, making it easy to connect your microcontrollers. With the addition of the OBD-II conversion line and the improvement of the OBD-II library, you can establish onboard diagnostic device or data logger. Suitable for both hobbyists and professionals, this component caters to anyone interested in DIY electronics and circuit design. Specifications: Component:PCB Size:Approx.6.8x2.8x5.3cm/2.68x1.1x2.09inch SPI interfaces up to 10MHz Standard (11bit) and Extended (29bit) data and remote frame Two receiving buffers for priority message storage Industrial standard 9pin sub-D connectors Two LED indicator lights Voltages:5V Package Includes: 1pc PIC225K CAN-BUS Shield Expansion Board note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.