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Home > ZSE19 Multisiren > ZSE19 S2 MultiSiren Change Log
ZSE19 S2 MultiSiren Change Log
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Here are the updates we applied to the ZSE19 model so far.

VER. 1.0 (released 11/2018)

Original release.

  • Siren alarm, smart speaker, and LED indicator all built-in, battery power

Firmware: 1.03

  • S2 security, sound switch command class for smart speaker, built-in sound library, OTA firmware updates

VER. 1.01 (released 7/2019)


  • Optimized battery life (estimated battery life: 12 months)
  • Added a mini USB cable to easily manage the sound library

Firmware: 1.03

  • Added names to built-in sound library files


The ZSE19 MultiSiren can be updated via OTA firmware updates, here is how to do that. You can access all firmware files here after you register your product and create a free account in our support portal. Need more help? Just reach out to our customer service team, we reply 7 days a week!

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