YQ-8G Marine Diaphragmentic Manual and Electronic Siren

Marine type air sirens,YQ-8G,YQ-10G and YQ-15G, improve the control switch compared with YQ-8,YQ-10 and YQ-15, except the manual control, the siren could also be electrically controlled.

It is used as an alarm for the large and medium ships to enter and leave the parts,yield other ships at bad visibility conditions.