Dahua Conventional Fire Alarm Detector With Base (Smoke) HY-C131

Meets all requirements of latest EN54
Two-wire, polarity-free realizes convenient wiring
Completes EMC test, it has strong anti-electromagnetic interference ability, high stability and reliability
Dual photoelectric smoking sensing chamber provides intelligent and accurate detection of smoke
BLC algorithm automatically adjusts alarm threshold based on the smoke in the chamber, extending cleaning cycle and providing easier maintenance
Non-loosening screws on base terminal for easy installation
Contacts material is highly acid-resistant and rust-resistant