https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
P&H EM203 Fire Alarm Strobe Siren

P&H EM203 Fire Alarm Strobe Siren

Shenzhen P&H Electronic Co., Ltd.
Region: China
Update: 05/09/2012
Key Specifications
Features:

*Used in fire or burglary alarm systems

*&Material: ABS housing

*Flash rate: 65 flashes/minute

*Sound pressure≥DB at 24VDC

*Light longevity≥3000 flashes

*Tone natures: ambulance car tone, fire sweep or fire siren。

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions