This is for Chevrolet Epica 2005 2006 & AVEO. It adopts Win CE 6.0 operating system with SIRF Atlas IV chip. The storage is as much as 128M. It has almost all the functions of car DVD nowadays, such as built-in GPS, DVD playback, BT handsfree,, HD Digital Touchscreen, IPOD ready, original steering wheel control match, RDS Receiver. The outstanding aspects of this unit are the PIP, optional built in DVB-T, 2-zone and virtual CDC functions.