100-240VACOR 9VDC PHOTOELECTRIC SMOKE DETECTOR

AHSS-871
Single Station
Smoke Detector

• Once battery is conducted, detector will start normal operation after 25
  seconds of internal charging.
• Low battery warning : Unit "beeps" every 20 seconds for at least 7 days to
  indicate battery needs replacing. Also, it will sound more than 4 minutes
  after alarm activation.
•  Simple test method : Test button is located next to alarm indicator. Press
  it for 2 seconds to hear the alarm sound and confirm the unit is in normal
  condition.
• Optional signal transfer function : Add signal transfer contact to activate
  other related systems. (Security unit or control equipment)
• Easy installation : Install directly to proper location without any wiring.
• Longer operating life : Minimum one-year battery life under standby
  operation.