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

SpectrAlert Advance

System Sensor
Region: United States of America
Update: 11/10/2006
Key Specifications
*Plug-in design

*Shorting spring on mounting plate for pre-installation continuity check

*Captive mounting screw

*Torx screw for tamper resistance

*Field-selectable candela settings: 15, 15/75, 30, 75, 95, 110, 115

*Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela

*Minimal intrusion into the back box

*Rotary switch for tone selection

*Two volume settings

*Electrically compatible with existing SpectrAlert products

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