What is siren horn dc12v 15w 1 tone?

SR-A76-15 is siren horn dc12v 15w 1 tone, a short video to show the type in white.
Product Description:
1. High sensitivity. Once triggered, it will send out loud and clear sound, serving as good guard for home,cars,etc
2. Small size,not easy to be detected.
3. Its sound can be heard from long distance.
Main features:
Model name: SR-A76-15 alarm horn
Operating Voltage:12VDC
Color available:White and black
Channel:One tone out
power:15W
Sound output:110 dB at 1meter
Size:11*11*10mm
Main products：
Smoke detectors
Heat detectors
Fire alarm system （FACP fire alarm control panel）
Fire alamr bell
Fire strobe siren
Manual call point
Gas detector
Carbon monoxide detector
And other home security products, such as home alarm system,magnetic contact/motion detector/motion alarm switch/water alarm......
Welcome to inquiry us
Website：www.firealarmf...
Mobile Phone：[phone]
Telephone number：0086 755 89571625
Email: [e-mail]
Sales Manager: Effie Su
WhatsApp：[phone]
Facebook：Effie Sue

[@slendermanRblx]

Same siren used inside of older UK burglar alarm bell boxes.

[@Jimmycrops89]

Indeed mostly used in type c and type h vented bellboxes

[@wyteriazacole2275]

Ol