• Contacts material is highly acid-resistant and rust-resistant.
  • Twin-colour LED display enables viewer to easily identify the current status of detector.
  • Detector is made of high endurance, solid and colorfast Fire-proof plastic.
  • The standard detector is 2-wire or 3-wire. For 4-wire type just add one relay output module on 3-wire base. Simple and easy module placement enables wider application and flexible stock control.
  • Non-loosening screws on base terminal for easy installation.
  • Detector has passed strict EMC test, which greatly eliminates false alarms caused by interference from nearby sources.
Horing Lih AH-0621 smoke detectors installed and serviced

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