https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
WS4916 Photoelectric Smoke Detector

WS4916 Photoelectric Smoke Detector

MFNE
Region: Taiwan
Update: 03/21/2007
Key Specifications
Features:

* Low-profile design

* Automatic drift compensation

* Built-in, dual-sensor heat detector

* Easy-maintenance removable smoke chamber

* Built-in 85 dB horn

* High/low sensitivity reporting

* Local test button

* Low-battery indication

* Non-contact sensitivity testing

For more information, please visit the company''s Websiye at www.dsc.com/Home.aspx

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