A siren is a loud noise making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Most fire sirens are single tone and mechanically driven by electric motors with a rotor attached to the shaft. Some newer sirens are electronically driven speakers.
 
Mini MOTOR SIREN MS-190
Mini MOTOR SIREN MS-190
MOTOR SIREN MS-390
MOTOR SIREN MS-390
MOTOR SIREN MS-290
MOTOR SIREN MS-290
I-313 DOUBLE MOTOR SIREN Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
I-313 DOUBLE MOTOR SIREN Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MINI MOTOR SIREN MS-190 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MINI MOTOR SIREN MS-190 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
BABY SIREN MS-190 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
BABY SIREN MS-190 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MOTOR SIREN MS-590 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MOTOR SIREN MS-590 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MOTOR SIREN MS-490 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
MOTOR SIREN MS-490 Malaysia Thailand Singapore Indonesia Philippines Vietnam Europe USA
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