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Customer Notice:

Yale are committed to continuously improving our services and support to our Customers. With this in mind we have changed how you contact our support services. Therefore please complete the online form here Form and we will be in touch very soon.

How loud

How loud is external/ internal siren?

How loud is external/ internal siren?

The technical specification is 104 decibels (dBA). The internal siren in the Sync Hub is 100 decibels.

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