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Accoustic Light Alarm System 105107

Article #105107

Description

This alarm system reacts to the slightest light change with a shrill tone. The circuit is enclosed in a small plexiglass box which can be put into briefcases, wardrobes etc. in order to guard them against intruders. The delivery does NOT include a 9 V battery.
Skills required: scribing, sawing, soldering, gluieng and mounting.
Size: approx. 80 x 60 x 33 mm

Unit

Kit

Quantity

£ 4.29

Kits for Kids

Ideal for home tuition or in an educational establishment

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