Uploaded February 2022 | Updated September 2026, 1 week ago

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With Xiaomi, you either have to use a gateway (or a few) to act as sirens (not very loud ones at that) OR you can hook up an actual siren to a Xiaomi plug to trigger based on an armed gateway.
With Tuya, you have this (and others), and wireless (battery powered) siren that you can place anywhere. Get as many as you want.

SIREN
Aliexpress - https://s.click.aliexpress.com/e/_9uJ4cF *
Amazon (AU) - amzn.to/3I3LD7O *
*stated as including temperature sensor, mine did not have this

GATEWAY
Aliexpress - https://s.click.aliexpress.com/e/_A8cbuR
Amazon (AU) - amzn.to/3h1Xp6x
Amzaon (US) - amzn.to/3p0Mhvf (different model to mine)

Sirens Types:
1 Doorbell
2-6 Classical songs
7-10 Alarm
11 Barking dog
12 Alarm
13 Chime
14 Telephone
15 Siren
16 Evacuation bell
17 Clock alarm
18 Fire alarm