r reviews (1)transaction history (3)report item m//b s//d conn//ect comp///act 5 star diagnosis not only support k line diagnose and can bus,but also uds diagnose protocol. because old mb star c4 supported multi-language: english/bulgarian/danish/greek/spanish/french/italian/korean all core accosseries adopt original packing chip, and 24hours test, the quality of the products;2. connector adopt military quick swap technology, it can support 10,000 times pull plug, more stable; 5. main board do not have uds chip, so old m//b/ st///ar c4 can not support it; 3. multiplexer now use lan cable to connect 4..syi