Brief: Micro-Coder as easy DTC reading and clearing automatically in event of anytime and anywhere fault for Car owner, which could find the fault position and cause by referring the DTC list in annual? Characteristic: Pocket size On-road click warning on time Auto-Reset key for DTC Clearing after repair of DIY Plug and play with easy use Safe steady and no influencing to driving good tool and repair evaluation for Car owner Tech Parameter: Size: 72?45?22(mm) Port:16-pin standard diagnostic socket Display:4/5 LED Power:DC 10-13V (no out power needed because of direct power from the socket inside) Usage scope: All cars with diagnostic socket