Specification :

MODEL: SD-404
WIRED PHOTOELECTRIC SMOKE DETECTOR
ONLY USE FOR TWO OR FOUR WIRE-POWER CONNECTION ALARM SYSTEM
MAIN FEATURE:
1.CEILING MOUNT
2.WIRED NETWORK OUTPUT
3.ALARM OUTPUT: NC/ NO
4.SINGLE LED/ TWO LED OPTIONAL
5.AUTO RESET/ POWER OFF RESET OPTIONAL
6.CURRENT: STATIC CURRENT