Unitec smoke detectors photoelectronically white (4-pack)

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  Often fire under the roof even though it does not burn  

  Unitec smoke detector, photo electronic, white (4-pack) (tool)

  Have the smoke detector purchased for 3 tenements (3X 4 smoke detector) After ca6 months 3 of the smoke detector is defective. Troz new and quality battery jump the detector immediately and organize a noise. About Amazon, I could not contact the sell
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  Unfortunately all 8 batteries had to be replaced. None has held more than 24 hours. Very annoying !!!  

  Unitec smoke detector, photo electronic, white (4-pack) (tool)

  The item is OK, unfortunately, are now even more arisen costs, since the batteries have held only a few hours. Wish spare batteries 8 x 9V
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  All batteries run  

  Unitec smoke detector, photo electronic, white (4-pack) (tool)

  Sorry! In both sets, so at 8 smoke detectors, all batteries were weak or not loaded / inoperable. On my complaint spare detectors have been delivered to me, but even with these the same problem; All batteries were not loaded. Then I complained and as
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  From 4 detectors is already an unusual and makes false alarms for no apparent reason  

  Unitec smoke detector, photo electronic, white (4-pack) (tool)

  I ordered the product on 12/07/2013 and today (24.08.2013) is already the first smoke detector dropped out, making false alarms at once, I was sitting in the room and was pretty scared! I then quickly grasped the ladder and removed the battery, so yo
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