Swann SW351-MDA Magnetic Window Door Alarm, 110dB
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Swann SW351-MDA Magnetic Window Door Alarm, 110dB

Compact Magnetic Alarm to Protect Doors and Windows
  • Powerful 110dB+ siren sounds when window or door is opened
  • Easy to install - self-adhesive pad supplied, no tools required
  • Easy to use with operating mode indication
  • On/Off switch concealed under panel
  • Compact design for discreet positioning near entry points
  • The alarm is activated when the 2 panels are separated
  • Requires 4 x "LR44" batteries (included)

Item #: 76121

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Special Price: $8.81

List Price: $14.99

Your Savings: $6.18

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  • Details
  • Specs
  • Reviews
  • What's Included
  • The Swann SW351-KCH is a battery operated magnetic door/window alarm that notifies you of intruders with its 110dB+ alarm. This unit is easy to install and requires no tools - a self-adhesive is supplied.

    • Power Requirements: 4 x LR44 Button Cell Batteries (6V DC)
    • Siren Duration: 60s (approx)
    • Siren Volume: >110dB
    • Magnetic Switch Trigger Range: 10mm ~ 26mm
  • 1 Review

    Review of 76121 Review by Balleyman
    Review of 76121

    I love the way this product works. Easy to setup and install and has a very loud alarm. Only issue is it takes four 357 watch type batteries at a cost of about $10 or more and chews through them in 4-5 weeks. I have two of them so I am spending around $20 per month for batteries for these alarms. What a waste. I am removing them and looking for replacement alarms that are more energy efficient. Rating 5 for quality and performance, 1 for energy efficiency so 2 overall.

    Posted on 12/5/2012

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    * Required Fields

    • Alarm Unit
    • Magnetic trigger
    • Four LR44 batteries
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