1. Tire Pressure Monitoring System 2. Car info:Temperature,Range,Avg speed,Avg oil ... touch screen2.Built-in GPS navigation system3.Disc Play.Compatible with DVD-R/DVD-RW/DVD+R/DVD+RW/CR-R/ ... ,MLCUSB USB2.0 OTGFM module TDA7540Bluetooth chip CSR car-mounted BC3System parametersOperation system WINCE 6.0 CORESupport ... 75Ω)Disc spec diameter 12cm discCompatible disc DVD-R,DVD-RW,DVD+R,DVD+RW,CR-R,CD-RW,CD- ...