I have a tuya siren that i would love to have integrated in home assistant for my alarm system. As it is now i need to use IFTTT and a webhook to enable/disable the siren and it has some serious delay.
It’s not on the list but maybe you could run Tasmota if it’s a TuyaMCU device.
I got the Tuya PIR sensor working using this.
I ended up using one of these for my siren, which is fine if you have the 433Mhz setup already: