7" bluetooth car rear view mirror,touchscreen key with OSD,can read USB/SD/MMC card;AV, FM transmit 7" bluetooth car rear view mirrorModel: SD-750 Product ... read MP3, MP4)Automatically switchover camera video when backing carCompatible for parking detectorBlue screen appears when no signalSpecial glass can be ... used as a rearview when no pictureDual video inputs: one for DVD/VCD/GPS/TV, the other ...