Dahua DHI-HY-C131 Conventional Smoke Detector

> 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