Ready Stock Back Up Siren (E-81300 P/G BKS-1) View larger

Back Up Siren (E-81300 P/G BKS-1)


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Battery back-up siren

  • A battery back-up siren has its own back-up battery and charging system so it will continue to sound even if power is cut to it from the car (such as a thief trying to stop the noise by cutting the wires).
  • The battery is automatically charged off your car’s electrical system. Some older AVS car alarm models had this type of siren.

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