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QualityKits Part #: fk505
fk505: Infrared Burglar Alarm Kit (Tx-Rx)
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This kit uses an infrared beam that transmits across a room to the receiver. When the beam is broken, a relay is triggered and you can attach a siren.
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Price:  $18.95
Special: 10-49 items at $17.06 each
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There is also a switch for a delay mode of 30 seconds after the beam is broken for the siren to go off. Or if the switch is in the other position, there will be no delay. When you first turn on the switch, you have one minute before it will detect a broken beam. This allows you to pass through the area before it is activated.
Price: $18.95
Special: 10-49 items at $17.06 each
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