https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
EM207 Fire Alarm Bell

EM207 Fire Alarm Bell

Shenzhen P&H Electronic Co., Ltd.
Region: China
Update: 05/09/2012
Key Specifications
*24 V or 12 V available used in fire or burglar alarm systems

*Aluminium alloy gong with 6, 8,10 inch optional

*10 mA low current consumption (at 24V DC)

*High sound pressure: 95dB@1m

*Polarized wire connection

*Special screw terminal for easy wire connection

*Base material: fireproofing ABS

*Operating temperature: -10°C to +50°C

*Operating humidity: ≤95%

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