This has been retieved from an old Siemens burglar alarm system.

High and Low level sounder

This gives different tones so can be used as both alarm and entry / exit warning device

Speaker: 16 Ohm

12 Watt

Adjustable volume

Environmental Class 2

Alarm Output: 110 Db

Exit Tone Output: 80 Db

Microswitch tamper

Can be collected if preferred.