... 3GHz + DSP (Dual Core) Touch screen,bluetooth,FM transimission 4.3'' LCD 1080p full HD rear view mirror car touch screen monitor ... 42MHzAntenna typeBuilt-in MonitorDisplay Screen4.3”, 480*272 TFT-LCD (Digital), Aspect Ratio 16:9Touch Screen4.3 inches four wire resistance ... your convenience, your concern and your content! Our Factory 4.3'' rear view mirror car monitor with DVR,GPS,Bluetooth