... RF transceiver 4.AD&FlashaaLCD drive and 2.4G wireless digital audio transmitter and receiver for rearviewAdvantages AX-WTR24D is a series ... AD&Flash,LCD drive and CVBS output. For truck, bus, caravans, mobile home, camping car, industrial vehicle and heavy duty vehicle.ReceiverTransmitterSpecification ... 25f/s VR850SF/AV(Video Codec)MPEG4(Video in System)PAL/NTSC Auto detection(Audio Codec)MP3 1Channel ...