Key Features

• 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