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Published on 19 May 2014 | over 2 years ago

Working principle of this project: youtu.be/vp3mOCw5gI4 (English) youtu.be/ss11nMuyDiE (Hindi)

In this video Mr. Alok Verma and Mr. Atul Pal will show you how to make a laser security system at home at low cost. You can use this project to protect your house, shop and other things.

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