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