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- 4 Wire smoke detector relay output
- Compatible with all security alarm system
- Alarm relay output NO/NC contacts
- Two flashing LED’s provide 360º visibility
- Un-polarized wire input
- Wide range of operating voltage 9-28VDC
- Unique optical sensing chamber
- Built in microprocessor and intelligent software
- Insect-resistant screening
- Twist-on mounting bracket with tamper lock
- Drift compensation and smoothing algorithms
- Includes base
