... , alarm, alarm system, wireless alarm,home 4ch or 8ch dvr alarm system,Campus network video alarm system,camera alarm, 3g ... wireless zones or BUS zones, 4 channel video input 8 remote control, 8 partitions, compatible with various detectors8 preset alarm linkage ... status, voice prompt for trouble zones and NOT READY zones.Real time checking for wireless detector battery voltage, voice prompt and report ...