XTOOL EZ400 diagnostic tablet comes at OBD2TOOL to replace PS90, and Autel MS906 comes also here to replace DS708. Here is the comparison tablet of Xtool EZ400, XTOOL PS2 GDS , Autel MS906, DS708. Xtool EZ400, PS2 & Autel MS906, DS708 in different shapes are all excellent diagnostic tablets with all basic functions and a wide range of vehicle coverage 1. Autel MS906 replace Autel MaxiDAS DS708 , with a faster running speed 2. Xtool EZ400 replace PS90, the same function as ps90 but can not read EEPROM