https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
520B  Battery Backup Siren

520B Battery Backup Siren

Shenzhen P&H Electronic Co., Ltd.
Region: China
Update: 08/02/2012
Key Specifications
Battery Backup Siren

·ABS Housing in Black

·Rated Voltage: 12 (VDC)

·Operating Range: 6-15(VDC)

·Tone Nature: 1T or 6T

·Without Battery is available

·Special Color Available: White, Red, Green, Blue, Yellow, Pink

Specifications

Model

Rated Current (mA)

SPL (dB/1m)

Power Out (Watt)

520B-600

600

108±3

15

520B-1000

1000

112±3

20

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