... audio channelOutput1route RCA output, mono audio channelParameterSampling frequency: 8K HZ, bit wide: 16 Bit, compression: G711A, code rate: 32Kbps NetworkInterface1pcRJ45, 10/100M adaptation ... -SCDMA/WCDMA)AlarmMotion detection alarmSensitivity 1-9 grade, Detection area: 16*12I/O alarm1 input port, 1 output portVideo lost alarmAlarm ...