Mini siren help

I have a mini siren that I’m trying to get going but I don’t know the model or if it’s AC or DC. All it says is 6 volts on a sticker and one wire has a blue stripe.
Here’s a picture:

Note; it’s not an MS-190.

Looks like one of those no-brand “fire sirens”. I’m assuming that the white wire with the blue stripe denotes that it’s 6VDC, try that.

That’s a DC powered unit

Thanks for your help! I tried it today and it ran great!

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You’re welcome! I’m glad it works great!