https://www.asmag.com/project/hikvision_non-visible_light_technology_survey/
Product Info
SM 871 (4 Wire) Smoke Detector

SM 871 (4 Wire) Smoke Detector

MFNE
Region: Taiwan
Update: 05/16/2007
Key Specifications
Features:

*Compiles with U

*L268,EN54, CNS and MEA

*Operating voltage of 12 to 24 volts

*Low power consumption

*Low-profile design  easy installation with common base hookup

*Monitoring LED in stand-by status

*Stainless steel insect guard to reduce false alarms

*Detector checks smoke density every 3 seconds.

For more product information, please visit company''s website: www.crowelec.com

https://supremainc.com/en/platform/cloud-access-control-biostar-air.asp?utm_source=asmagAD&utm_medium=post&utm_campaign=asmagAD250512&utm_id=asmagAD2505