LZ-612IR 2, 6.1" Wide touch screen monitors with IR transmitter Touch Panel Multimedia Systems DDX4019DAB6.2” WVGA DVD-Receiver with Bluetooth & DAB Radio Built-in.DDX4019BT6.2” WVGA DVD-Receiver with Bluetooth Built-in.DMX125DAB6.8” WVGA Digital Media AV Receiver with DAB Radio Built-in.DMX120BT6.8” WVGA Digital Media AV Receiver with Bluetooth Built-in.