- Fire Alarm Telephone System
- 2016-11-05 18:29
- Bus-system Fire Alarm Telephone System is composed of HDX3100 fire alarmtelephone main set, HGT310B bus-system tablewall
- Box Type Power Supply (HBX3000)
- 2016-10-28 18:03
- The box type construction with vivid use and convenient installation has 2 *12V lead-acid storage battery as emergency d