https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
AIP AIP-0621 Photoelectric Smoke Detector

AIP AIP-0621 Photoelectric Smoke Detector

U.P.TECH CORPORATION CO., LTD.
Region: Korea, Republic of
Update: 07/25/2013
Key Specifications
* Contacts material is highly acid-resistant and rust-resistant.
* Twin-color LED display enables viewer to easily identify the current status of detector.
* Detector is made of high endurance, solid and colorfast Fire-proof plastic.
* The standard detector is 2-wire or 3-wire. For 4-wire type just add one relay output module. Simple and easy module placement enables wider application and flexible stock control.
* Non-loosening screws on base terminal for easy installation.
* Detector has passed strict EMC test, which greatly eliminates false alarms caused by interference from nearby sources.
https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions