Federal Q with Grover Air Horn
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Realistic Fire Truck siren sound for your Model!
This siren has 1 sound track that includes the long wail plus a few busts of air horn.
The siren has no switch, we include a battery snap with 2 switches free with the 9 volt battery version of this unit.
With 2 switches you can use one switch to turn the siren on and off and the other switch for any lights you want to add.
You can have siren only, lights only, or both!
The Fire Truck Siren Circuit is 20mm long, 11mm wide and less than 5mm thick.