Backup Battery Siren

  • 515r

Boost the security of your install with this optional Back-up Battery Siren, which will continue to sound even if would-be thieves are able to locate and silence your primary siren. Should be installed in a different part of the vehicle from the primary – please discuss optimal locations with your installer.

  (2 reviews)

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Boost the security of your install with this optional Back-up Battery Siren, which will continue to sound even if would-be thieves are able to locate and silence your primary siren. Should be installed in a different part of the vehicle from the primary – please discuss optimal locations with your installer.


Customer Reviews Write a review

  • Tyler, Georgia

    8/26/2009

    This siren is MUCH louder than the tiny 6 tone that comes with the Viper 5901. It makes my ears ring and will definitely get someone's attention if your alarm goes off. Very high quality design and comes with a key in order to turn it on or off. Nice job DEI.

  • dave taylor, United Kingdom

    6/20/2009

    It workes well. And it look good.