RS485 type Signal loudspeaker ,Audible and visual alarm can be used for security alarm system ofoverhead crane, travelling crane, ship, dock, port, transportation, iron andsteel manufacture and metallurgical industry.
CAN/RS485/IO type Signal loudspeaker ,Audible and visual alarm can be used for security alarm system ofoverhead crane, travelling crane, ship, dock, port, transportation, iron andsteel manufacture and metallurgical industry.
| 