https://www.asmag.com/rankings/survey.aspx
Product Info
P&H S12 Photoelectric Smoke Detector

P&H S12 Photoelectric Smoke Detector

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

* Stainless steel inner housing for high ANTI-RFI

* Dual LEDs for 360-degree visibility

* Two or four wire optional

* Sleek, low-profile housing design

* Low power consumption, high precision and stability

https://www.asmag.com/showpost/35045.aspx?name=news