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Alarm 105445

Article #105445

Description

Function: A trip wire sets off a clearly defined alarm tone. The transparent trip wire pulls a dowel peg out of the alarm box completing the simple circuit.The alarm can be turned off by replacing the dowel in the correct hole which takes some time for the intruder to find! Skills required: drilling, sawing, soldering and glueing.Size: 110 x 110 x 40mm. Complete pack without 1.5 V battery.

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£ 3.69

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