V-checker V301 is mainly developed for diagnosing engine system of OBD compliant cars. It supports all OBD standard tests and adds original decoding function for some vehicles.
V-checker A303 is a multi-function trip computer specially designed for Volkswagen, Skoda, Audi cars. V-checker A303 provides a variety of functions including fuel management, troubleshooting, maintenance reminding, reversing radar, safety reminding and function testing etc. A303 enables users to quickly access to real-time vehicle status and brings safe and joyful travel experience.