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Home > ZSE19 Multisiren > ZSE19 S2 MultiSiren Change Log
ZSE19 S2 MultiSiren Change Log

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 request a firmware update file here, please send your order number for verification!

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