UM 3561 Siren
UM 3561 4 tones encoder
Makes Police, Ambulance or Fire Brigade sounds. Needs 1 NPN transistor for driving a loudspeaker. Ask Jos for circuit. Can also generate the sound of machine gun. Price 10 pcs each $ 1.60 100 pcs each $1.40 stock position : Australia, Netherlands.
Manufacturer: UMC Taiwan
$2.00 incl. GST
 

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