DSD TECH: DSD TECH focuses on developing communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan. Isolated USB to CAN: SH-C30G is the isolated upgrade version of SH-C30A. It has an integrated insulated power supply and a signal isolation chip. It can effectively protect your computer and reduce the interference of electrical noise in the signal, especially for industrial applications. Open source hardware plan: SH-C30G is derived from the open source hardware project Canable. As a high quality hardware manufacturer, DSD TECH hopes to contribute to the development of open source hardware. All documentation related to this product (schematics, BOMs, Gerb files) is publicly available on the DSD TECH website. Interfaces: CAN-H, CAN-L, Gound pins and built-in 120 ohm switch and programming switch. Warranty:DSD TECH offers a 1-year warranty and lifetime technical support for this Isolated USB to Can Adapter.If you have any questions, please contact us. We will reply within 24 hours.