... USB/SD/MMC card;AV, FM transmit output function 7" Car mirror with SD&USB functionModel: SD-750 Product name:7 inch ... (Choose)System: PAL,SECAM,NTSCFunction: build-in touch key-press, AV, FM transmit output functionBuild-in memory equipment: with USB function, can ... screen appears when no signalSpecial glass can be used as a rearview when no pictureDual video inputs: one for DVD/VCD ...