door alarm sensor,Magnetic Sensor Door Alarm Chime ,Free Shipping

Product Description

Specificationsdoor alarm sensor

PIR SENSOR detection range up to 8 meters
  Door Chime / Alarm Sound Switch selection
  LED Low Battery indication
  20 seconds entry delay 15 seconds exit delay
  Alarm sound for 60 seconds
  ALARM SOUND OUTPUT UP TO > 90DB
  Door Chime for 3 times and sound output up to >80dB

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